Specification Model Tuya Wifi Smoke Sensor AlarmMaterial ABSWireless Network 802 11 b g nInput Voltage 2 x AAA batteries not included Detection Range 20m²Static Current ≤10uAInstallation Method Ceiling MountAlarm Current ≤120mAOperating Temperature 10°C to 50°CLow Voltage Alert ≤2 4VOperating Humidity ≤95 Alarm Sound Level 80dB 1mProduct Dimensions 90 x 90 x 40mmFeatures 1 2 in 1 Smoke and Temperature Humidity Detection Monitors both smoke levels and environmental temperature humidity for comprehensive safety 2 Temperature and Humidity Graph Records data trends within the app visually displays changes for easy monitoring 3 80dB Alarm Sound Emits a loud 80dB alarm when smoke or high temperature is detected ensuring timely responses 4 Mobile App Alerts Sends real time notifications to your phone preventing potential hazards and minimizing economic loss 5 Voice Control Compatible with Amazon Alexa and Google Home for convenient voice activated operation 6 Smart Integration Works with Tuya smart locks and surveillance equipment creating a fully integrated rescue and alert system 7 Low Battery Notification Sends a notification when battery levels drop below 20 ensuring timely replacements 8 WiFi and bluetooth Connectivity Connects faster and more reliably using both WiFi and bluetooth offering improved network stability Package Includes 1 x Tuya Wifi Smoke Sensor Alarm1 x Screws Pack1 x Manual1 x Package Box