For example, you can say "Alexa, what's the temperature in the bedroom?". The temperature tolerance is within ±0.5°C and the humidity is within ±5%RH. Bluetooth is only used for network signal connection and cannot be used alone.
eBay
KERUI W204 Security Alarm System For Home WiFi 4G GSM Alarm Burglar 433MHz Wireless Siren Tuya Smart Motion Detector Sensor Cam
Aliexpress UK
Temtop Air Quality Monitor. Provides a clear and easy-to-understand Air Quality Index (AQI) reading, indicating the overall air quality level. PM2.5 Monitoring. Especially useful for those who suffer with asthma, allergies, or other respiratory conditions.
eBay
COMPTYCO AUA-40A(Dry cell)/AUA-40D(Charging) Optical Fiber Identifier + 10mw VFL + LED Lighting, Live Fiber Identifier Detector
Aliexpress UK
For example, you can say "Alexa, what's the temperature in the bedroom?". The temperature tolerance is within ±0.5°C and the humidity is within ±5%RH. Bluetooth is only used for network signal connection and cannot be used alone.
eBay
SAIVXIAN A-50/A-50+ Active Optical Fiber Identifier Fiber Cable Tester Detector with 30mw Visual Fault Locator
Aliexpress UK
✨Smart Motion Detection (mmWave) – Ultra-sensitive PIR & mmWave technology ensures accurate human presence detection. PIR Motion Sensor Tuya Smart Life mmWave Detector – Temperature, Humidity & Light Monitor 📡🌡💡.
eBay
80KM Fiber Optic Test Pen 80km Visible Fault Detector Non Contact Portable Optical Fiber Tester 2.5mm Universal Connector
Aliexpress UK
Features: -Equipped with two hardened steel needles, they are inserted into the material to be tested and the moisture content is read on the LCD display. -It has a wide range of uses and can be used to measure the moisture content of materials such as wood, paper, and gypsum. -Made of ABS plastic for exceptional durability and packaged in eco-friendly packaging. -It has a wide measurement range of 5% to 40%, an accuracy of up to 1%, and a fast response speed. -Designed with a compact size, it is easy to store and carry, allowing you to measure anytime, anywhere. Specifications: .
eBay
433MHz Wireless Pet-immunity PIR Motion Sensor Detector 15kg Pet Immune EV1527 Code Smart Home Security Host Alarm Accessories
Aliexpress UK
Dust and Water Protection: IP65. When relative humidity is 5% - 90%,the accuracy is ±3% RH (5% to 90% RH - ±3% RH);. When relative humidity is 91% - 95%,the accuracy is ±5% RH (91% to 95% RH - ±5% RH).
eBay
Wireless PIR Motion Sensor Anti Pet Infrared Detector 433MHz/868MHz for Smart Home Smart Life Security
Aliexpress UK
Press the power key to start the machine;. Press the power key to shut down, or shut down automatically after 15 minutes. 1x Instructions. Electrode pins: integrated. Data hold function. Low battery detection and automatic power off.
eBay
ARW22347 1Mhz-7.1Ghz RF Power Meter Broadband Signal Source Antenna Gain Detector 915M 1.5G 2.4G 5.2G 5.8G Ham Radio Amplifier
Aliexpress UK
For example, you can say "Alexa, what's the temperature in the bedroom?". The temperature tolerance is within ±0.5°C and the humidity is within ±5%RH. Bluetooth is only used for network signal connection and cannot be used alone.
eBay
PG-103 Home Security Alarm System Wifi GSM Alarm Intercom Remote Control Autodial 433MHz Detectors IOS Android Tuya APP Control
Aliexpress UK