Only US$13.70, buy best smart sensor 600 lumens xpg+cob led headlamps double light source headlight with safety light waterproof portable head lamp sale online store at wholesale price. ...

Product name: SMART SENSOR AR813A Digital illuminometer Brightness detector Model: AR813 A Measuring Range: 0-100.000lux Measurement Accuracy: +/- 4% Unit Conversion: Lux Operating Temperature: 0-40℃ Sampling Rate: 2 times/ sec Resolution: 1 Lux Weight: 192g
Size: 116.2mm x 64mm x 30.5mm Package included:1 x SMART SENSOR AR813A Digital illuminometer Brightness detector (Not included battery)
...

Description: Smart Sensor AS808 Digital Hygrometer Thermometer Humidity Temperature Moisture Meter Humidity Air Tester Weather Station Calendar for Indoor Baby Room- Electronic devices use changes in electrical capacitance or resistance to measure humidity differences.- Large-character LCD display, clear to read.- Low power consumption & high stabilityaccuracy.- Display temperature, humidity & time simultaneously.- ℃/℉unit selectable, 12 hour / 24 hour displaying system selectable.- Memory of MAXMIN measuring value.- Clock Calendar function, desk-top placing orwall hanging.- Adopts ABS new engineering plastics, good toughness & rigidity, safer & wear-resistant. Specification: Brand SMART SENSORModel AS808 Digital Hygrometer Thermometer Material ABSColor White Temperature measuring range-20℃~+70℃ (-4℉~+158℉) Temperature measuring accuracy 2℃ Temperature resolution 0.1℃ (0.2℉) Humidity measuring range 10%RH-95%RHHumidity measuring accuracy 5%RHHumidity resolution 1%RHCalendar 2001/1/1-2059/12/31 Battery 1 x AAA 1.5V (not included)
Size:8 x 7.8 x 2cm / 3.14 x 3.07 x 0.78 Weight 61g Package
Includes::1 x AS808 Digital Hygrometer

...

SMART SENSOR AT8500 Handheld Ammonia Gas Detector 0-100PPM Digital NH³ Gas Tester LCD Display Rechargeable Battery Accurate Measurement ...

Description: Smart Sensor LED Night Light Lamp Dual Induction Sensor Control Automatic Magnetic Wall Lamp- Delicate apperance design- Super energy saving, super long standby time, super sensitivity within 5 meter distance- Built in light sensor which can identity day & night by itself- Easy to use, battery operated, no wiring required, easy & convenient to use & install- Suitable for use in homes, wardrobes, kitchens, stairs, camping tents, outdoor or anywhere if you like or anyplaces which need light Specification: Material Plastic + LEDBulb Color Red, Blue Influence Control Light Motion Sensor Sensor Sensitivity Distance 0
- 5m Sensor Sensitivity Angle 120LED Light Color Warm White, White Lumen Output 45 Lm Power 0.05
- 0.75 W Voltage DC 5 V Battery Capacity 600m Ah (Rechargeable Lithium Battery) Charging Time 1.5
- 2 H Light Color Temperature 3000/6500 K Size 86 x 26 mm Package

Includes:: :1 x Sensor LED Night Light




...

Description: High-quality non-marking adhesive: It is suitable for all kinds of smooth wall & furniture surface. It is firmly bonded when used, leaving no trace when going. Three working modes: constant light / off / induction three working modes can be adjusted, waiting for you to return late, also illuminate the sleepless night.t-in light sensor + infrared lens two intelligent sensing mechanism, sensing light & environmental changes, let people forget the existence of the switch. Intelligent induction: sensing distance 0-3m, radiation angle 120 degrees, in the sensing mode, it will automatically light for 20 seconds after monitoring someones passing. If there is no activity in the sensing area 20 seconds after lighting, the night light will automatically go out. Feature: Battery capacity: 500m Ah Three-speed switch: automatic sensing / off / always on Input voltage: USB (Universal Serial Bus) 5 V Induction lighting time: 20s Light level: 40-50lm Long light duration: 20h Number of induction lights: 1500-1800 times Light
Colour: Warm light 3000K
Size: 149mm x 61mm x 56mm
Colour: Grey, Brown Package including:1 x Night Light


...

Specifications:
Colours: Grey, Brown Body
Material:ABS
Size: about 149 x 61 x 56mm Battery Capacity:


...

Only US$11.60, buy best smart sensor portable multifunction mini led clip light built-in battery type-c rechargeable headlamp outdoor emergency searchlight sale online store at wholesale price. ...

Specification: Material ABS+PCSize 40.5mm x 25.5 x 13mm Working hours About 15 hours Pulse frequency 10 Hz-1500 Hz Battery capacity 3.7V / 80m Ah Feature: Small device, great effect Adopts trans-cutaneous electrical nerve stimulation (TENS) technology to effectively stop snoring The Smart Electronic Muscle Simulator has been tested by more than 60 snorers of Science & Technology By using TENS technology to stimulate the respiratory muscles, it has been proved to effectively reduce the number of snores & even stop snoring altogether, allowing you to sleep peacefully! Package Included: 1 x Main Component 1x Charging Dock 1xx Quick Start Guide 1x User Manual 1x Charging Cable 10x Electrodes Working principle:A. The laryngeal muscles are stimulated by low frequency current to stimulate contraction & achieve the effect of prevention & rehabilitation.B. Product intervenes physically with micro sounds & micro vibrations at 36 levels, when the intervention is successful, the soft tissue at the back of the throat will contract & tighten to open the airway wider, so that you breathe smoothly & thus stop or diminish snoring C. After period of use, your throat muscles are gradually tightened through exercise & will not be relaxed any more, therefore, you will stop snoring or lessen the frequency of snoring, then it is up to you whether to continue using this product D. We have app, you can download to your smartphone, after use our product, you can sync data to our app & then you can see how many time ...

Smart Solar Tracking Equipment Maker Project DIY Kit Technology for Arduino ...