“ level indicator ”

Universal Power Level LED Indicator for JR/FUTABA Helicopters (4.8V/6.0V)

- Battery level indicator LEDs indicate the battery level - Compact and easy operate design - Monitor the voltage level

$4.50

free shipping

(1 review)

» Other Accessories

2.2" LCD Digital Sound Level Meter (Decibel Gage)

very accurate - 1/2 inch electric condenser microphone - Manual or automatic sound level range - Batteries last long - Max Hold button - Auto power off - Battery low indicator

$65.50

free shipping

(3 reviews)

» Measuring Tools

KA2284 Electricity Audio Level Indicator Module - Blue

- Supply power: DC 3.5V~12V - Amplitude level can be adjusted - AC and DC signals can be controlled by jumper - Applies to level

$4.60

free shipping

» Arduino & SCM Supplies

KA2284 Power Level Indicator Module - Blue (3.5~12V)

+ iron FeaturesChipset: KA2284; Voltage: 3.5V~12V SpecificationAdjustable span of power level; AC and DC signals can be controlled by jumper ApplicationFor DIY project English Manual/SpecHave Packing List1 x KA2284 power level

$3.60

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» Arduino & SCM Supplies

KA2284 Power Level Indicator Module for Arduino (Works with Official Arduino Boards)

- Color: Blue- Material: PCB- Chipset: KA2284- Voltage: 3.5V~12V- Adjustable span of power level- AC and DC signals can be controlled by jumper- PCB board size: 29mm x 2

$4.50

free shipping

(1 review)

» Arduino & SCM Supplies

7-Range Sound and Noise Meter

let you check peak and average noise levels. - Builtin battery condition indicator. - Phono-type output jack:for connection to

$25.10

free shipping

(7 reviews)

» Measuring Tools

2.2" LCD Digital Sound Level Meter (Decibel Gage)

very accurate - 1/2 inch electric condenser microphone - Manual or automatic sound level range - Batteries last long - Max Hold button - Auto power off - Battery low indicator

$69.10

free shipping

» Measurement & Analysis

FC-18 1-Channel 9V High Level Trig Relay Module - Blue

high level trigger, can control 220V load, with 1 normally open contact and 1 normally ...With power and relay action indicator, light on

$3.00

free shipping

» Arduino & SCM Supplies

FC-16-G 4-Channel 9V Low Level Trigger Relay Module - Blue

low level triggerSpecificationThis module is 4-channel 9V relay, low level trigger; This module ...With power and relay operation indicator

$7.00

free shipping

» Arduino & SCM Supplies

FC-16-I 4-Channel 24V Low Level Trigger Relay Module - Blue

low level triggerSpecificationThis module is 4-channel 9V relay, low level trigger; This module ...With power and relay operation indicator

$7.00

free shipping

» Arduino & SCM Supplies

MASTECH MS5900 Motor Phase Rotation Indicator Meter - Green + Grey

AC 400 V - Protection Level: CAT III, 300 V - Power ...5 mA - Non-contact rotation field Indicator - Packing list: - 1 x Meter - 3 x Testi

$30.10

free shipping

» Measurement & Analysis

Rechargeable Waterproof 7-Level Electric Vibration Dog Bark Stopping Training Aid

- 7 sensitivity levels (1-7) adjustable for different dogs and environments;?- Easy testing method to check the no bark collar;?- Waterproof and Rechargeable;?- Multi-color LED battery life indicator

$33.00

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» Training Aids

FC-16-D 2-Channel 9V High Level Trigger Relay Module - Blue

With power and relay action indicator, light on when close and off ...high level triggerApplicationGreat for Arduino DIYEnglish Manual/Spe

$4.90

free shipping

» Arduino & SCM Supplies

3.5" LCD 4-Level Waterproof Pet Dog Behave Remote Training System Model - Black

4 levels of correction and vibration - For each valid command sent from the transmitter, the LED indicator

$36.20

free shipping

» Training Aids

3.5" LCD 4-Level Waterproof Pet Dog Behave Remote Training System Model - Black

4 levels of correction and vibration - For each valid command sent from the transmitter, the LED indicator

$39.10

free shipping

» Pet Supplies

420006 90~1000V Voltage Alarm Tester Pen w/ LED Indicator - Yellow (2 x AAA)

AC 90~1000V - Safety level: II type 1000V - Power supply: 2 x AAA batteries (Not included) - Testing of electrical cables, circuit breakers, wall sockets, junction boxes, fuses, etc. - Built-in LED indicator

$8.00

free shipping

» Testers & Detectors

JIA-XIN-VD03 50-1000V Voltage Alarm Tester Pen w/ LED Indicator - Orange + Black (2 x AAA)

range: AC 50~1000V; Safe level: II-type 1000V; Built-in LED indicator, white light flashes indicating no voltage, red light flashes and wi

$8.00

free shipping

» Testers & Detectors

LML-0215L 15W 900lm 5-LED White Light Waterproof Car Indicator Lamp - Black (DC 10~30V)

lampOther FeaturesWaterproof; Waterproof level: IP67; 5pcs x 3V high intensity Epistar LEDs; Lens material: PMMA; Mounting bracket: Stainless steel; Long life: Size: 128

$40.10

free shipping

» Car LED Bulbs

RH-10000-1 10000mAh External Mobile Battery Pack w/ 8 Adapters / LED Indicators - Red

DC 5V / 2A - Made of excellent quality Level-A high capacity cell - Intelligent protection against over charging, over discharging, over loading, short circuit - Backup

$28.90

free shipping

(2 reviews)

» External Batteries

RH-10000-1 10000mAh External Mobile Battery Pack w/ 8 Adapters / LED Indicators - Red

DC 5V / 2A - Made of excellent quality Level-A high capacity cell - Intelligent protection against over charging, over discharging, over loading, short circuit - Backup

$32.66

free shipping

» Batteries

EM-411 GPS Engine Board Module with SiRF Star III Chipset

(tracking sensitivity: -159dBm)- Extremely fast TTFF (time to first fix) at low signal level- Supports NMEA 0183 data protocol- Built-in SuperCap to reserve system data for rapid satellite acquisition- Built-in patch antenna- LED indicator

$28.30

free shipping

(2 reviews)

» GPS Parts & Accessories

PSP Emergency Charger with Charge Display Milky White

- Power: 4*AAA batteries(sold separately)- Pocket Sized, convenient to carry- LED Power Level Indicator

$4.90

free shipping

(1 review)

» Batteries & Chargers

Decorative 4-LED RGB Car Cigarette Powered Light - White (DC 12V / 440cm)

ModelLYH0006Quantity1 PieceColorWhiteMaterialABS Resin + LEDEmitter TypeLEDTotal Emitters4 PieceLight ColorRGBInput Voltage12Luminous Flux580-60lmConnector TypeCar cigaretteApplicationDecoration light

$11.00

free shipping

» Car Decoration Lights

Mini Portable USB Powered Air Humidifier (Black)

- Water capacity: 180ml - Atomization ability: 30ml/Hr - Adjustable atomization level - Automatic low water level

$21.30

free shipping

» Air Humidifiers

LM393 Comparator Speed Sensor Module for Arduino (Works with Official Arduino Boards)

With output status indicator light, lower level, light on; High level, light off; Working voltage: 3.3~12V;

$3.50

free shipping

» Arduino & SCM Supplies

Speed Detecting Sensor Coupling Module for - Red + Black

ModelNoQuantity1ColorRed + blackMaterialPCBFeaturesWith LED indicator, sensor LED off when output high level

$3.60

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» Arduino & SCM Supplies

BT57 AA / AAA Battery Capacity Tester - Yellow + Red

ModelBT57Quantity1ColorYellow + redMaterialPlasticFeaturesAA / AAA battery capacity tester, with 3-level indicators.ApplicationGreat for t

$2.60

free shipping

» Measuring Tools

2200mAh Portable USB Micro Mobile Charger w/ Cartoon Pattern for iPhone - White

ModelGX-C07Quantity1 PieceColorWhiteMaterialABSCompatible ModelsiPhoneBattery TypeLi-ion (3.7V)Capacity2200 mAhInput Voltage5V VOutput Voltage5V VFeaturesPortableOthersCharging time: 4 hours; 4-level

$12.40

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» External Batteries

4 Channel 10A Relay Module

positive; GND-5V DC negative; IN1 / IN2 / IN3 / IN4, signal control, 5V, high level relay connect, low level

$9.00

free shipping

» Arduino & SCM Supplies

Meeeno MN-MD-R0812 8-Channel 12V Relay Module Expansion Board - Orange + Blue

High level drive, trigger current is about 5mA; Contract capacitance (controlled by signal power): DC 28V, 10A or AC 240V, 10A; Contract: one is normally open contact and the other is normally-closed contact; Indicator

$11.10

free shipping

» Arduino & SCM Supplies

Meeeno MN-MD-R0212 2-Channel 12V Relay Module Expansion Board - Orange + Blue

High level drive, trigger current is about 5mA; Contract capacitance (controlled by signal power): DC 28V, 10A or AC 240V, 10A; Contract: one is normally open contact and the other is normally-closed contact; Indicator

$4.70

free shipping

» Arduino & SCM Supplies

7039 Rain / Raindrop Sensor Module - Black + Silver (DC 5V)

output LED indicator; TTL output; TTL output effective signal is low level; Drive capability: about 100mA; Can directly drive relay, buzzer, fan; The sensitivity can be adjusted by potentiometer; The LED will light up the high level

$4.50

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» DIY Parts & Components

Rechargeable 3200mAh External Power Battery Back Case w/ PU Leather Cover for iPhone 5 - White

+ GrayMaterialABS + PUCompatible ModelsiPhone 5Battery TypeLi-ion polymerBattery Voltage5 VCapacity3200mAhCharge Power Input5V / 800mACharge Time9 hoursOutput5V / 500mAOther FeaturesWith LED indicator

$20.70

free shipping

» Batteries with Cases

Pisen 2500mAh Rechargeable External Battery Pack for iPhone/iPod - Ivory White

2500mAh - Built-in circuit protection, over-charging and short circuit protection - Input: DC4.8V-5.2V Max 700mA - Output: 5.0V==500MA - LED indicator

$23.30

free shipping

(3 reviews)

» Portable External Batteries

Genuine Plus One 3.7V/1350mAh Rechargeable External Battery Case for iPhone 4/4S - Black + White

- Capacity: 3.7V/1350mAh - Input: DC 5V 500mA - Output: DC 5V 500mA - With charging power level indicator - Micro USB charging cable (115c

$20.20

free shipping

» Batteries with Cases

5V/1800mAh Rechargeable External Battery Case for iPhone 4/4S - Black

- Capacity: 1800mAh - Input: DC 5V 50mAh - Output: DC 5V 500mAh - With charging power level indicator - Excellent for long trips and as an

$23.10

free shipping

» Batteries with Cases

Genuine Plus One 3.7V 1350mAh Rechargeable External Battery Case for iPhone 4/4S - Silver + White

: 3.7V/1350mAh - Input: DC 5V 500mA - Output: DC 5V 500mA - With charging power level indicator - Comes with micro USB charging cable (115

$21.40

free shipping

» Batteries with Cases

Smoke Detector Alarm (1 x 9V)

White - Plastic case material - With LED status indicator - Alarm sound level: 85dB/3m - Alarm current: 35mA - Relative humidity: 95%RH (4

$10.70

free shipping

» Alarm Systems

G.Mouse Mini RS232 SiRF Star-III GPS Receiver (PS2)

) - Built-in patch antenna - Extremely fast TTFF(Time to First Fix) at low signal level ...for mounting on the car - Non-slip on the bottom - RS232 interface connection - LED indicator

$34.95

free shipping

» GPS Parts & Accessories

Genuine Plus One 3.7V 1350mAh Rechargeable External Battery Case for iPhone 4/4S - Champagne

: 3.7V/1350mAh - Input: DC 5V 500mA - Output: DC 5V 500mA - With charging power level indicator - Comes with micro USB charging cable (115

$19.99

free shipping

» Batteries with Cases