Overview: This sensor can display real-time recorded temperature and humidity. You can remotely monitor the Tuya Smart/Smart Life APP through your mobile phone. Suitable for bedroom, baby room, basement, office, school, supermarket, warehouse, etc. Features: It detects temperature and current humidity in the environment. Fahrenheit () and Celsius () units of measurement are switchable. You can view the temperature and humidity remotely through the smartphone APP - Tuya Smart or Smart Life. Support multiple connection modes - WiFi, BT, Hotspot You can choose 1 minute or 120 minutes to update temperature and humidity via APP. The more frequent the update, the faster the battery will be discharged. When the current temperature/humidity exceeds the set temperature/humidity, the sensor will alarm automatically and the app will send the message. Voice assistance control. Works with Amazon Alexa/Google Home. Besides, it supports smart linking by using APP to create scene. Note: Powered by 3 x LR03 batteries (NOT included). Battery life depends on the selected time interval. Specifications: Input voltage: 3 * DC1. 5V LR03 (NOT included) Quiescent current: 30uA Low power undervoltage: 2.7 V WLAN: 802.11b/g/n, 2.4 GHz< br/> Working temperature: -10~55 Working humidity: 10%-90% RH Material: ABS Color: black, white (optional) Size: 7.5*7.5*4 .5cm Weight: 85g Packing List:< br/> 1 * Temperature Humidity Sensor