Features:<br> <br> *Tuya ZigBee T&H&Siren 2 IN 1 Sensor: Detecting in the environment in time. Siren alarm louder than 90DB.<br> <br> *Alarm Notifications: Smart phone will get instant notifications when siren alarm triggered and check the log on APP. Widely used in home, kitchen,office, etc.<br> <br> *Smart Scenarios: It can also be combined with other smart WIFI products based on Tuya to design and implement smart application scenarios.<br> <br> *Ultra-fast response, anti-interference ability, ultra-low power consumption and cost-effective. Supporting 5V 1A USB port power.<br> <br> Specifications:<br> <br> Standby current: 61uA-180uA<br> <br> USB port: 5V/1A<br> <br> Sound intensity: 90db<br> <br> Detection temperature: -10℃ ~ 80℃<br> <br> Detection humidity: 0% ~ 100%<br> <br> Wireless frequency: 2. 4GHZ<br> <br> Communication protocol: Zigbee 3.0<br> <br> Wireless standard: Zigbee IEEE 802.15.4<br> <br> Wireless range: 40M<br> <br> Package Included:<br> <br> 1 *Siren 2 IN 1 Sensor<br> <br> 1 * Set of Stickers & Mounting Screws<br> <br> 1 * USB Cable<br> <br> 1 * User Manual (English)<br> <br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store