Tuya WiFi Smart Smoke Detector, Multi-Function Temperature and Humidity Sensor, Supports Push Alarm, Smart Linking/Sharing/Group Function

General description The SJLERST intelligent smoke detector is a multifunction device that combines smoke detection, temperature and humidity measurement. Thanks to its high sensitivity and its efficient microprocessor, it offers rapid and reliable detection. It connects easily via WiFi or Bluetooth, allowing quick access to data via a mobile app. If smoke or an increase in temperature is detected, it emits an 80 dB alarm to alert occupants.Technical specifications Material: ABS Wireless network: 802.11 b/g/n Input voltage: 2 x AAA batteries (not included) Detection range: 20 square meters Static current: ≤10uA Installation mode: Ceiling type Alarm current: ≤120mA Operating temperature: -10°C to 50°C Low voltage: ≤2.4V Operating humidity: ≤95% Alarm sound level: 80dB/1m Size: 90 * 90 * 40 mm / 3.54 * 3.54 * 1.57 inches Weight: 103 grams / 3.63 ounces Package size: 92 * 92 * 42 mm / 3.62 * 3.62 * 1.65 inches Package weight: 124 grams / 4.37 ounces Installation For optimal installation, it is recommended to place the detector in the center of the ceiling. If installed on a sloped ceiling, it should be positioned at a horizontal distance of 0.9 m from the ceiling support. It is important to maintain a distance of at least 0.3 m from lights or other decorations.Usage This detector is ideal for use in various environments such as homes, living rooms, cafes and dance halls. It makes it possible to effectively monitor fire risks and alert occupants in the event of danger. The voice control feature is compatible with Alexa and Google Home, making it easy to use. Other Information Packing List: 1*Smoke Detector, 1*Accessory Kit, 1*Manual Low Battery Reminder Function: A message is sent when the battery power is less than 20% Sharing Function: Can add family members to share control Group Function: Allows multiple devices to be turned off or on simultaneously