Intelligent Temperature and Humidity Sensor, Smart Siren Alarm Phone Application with USB Power Remote Control with Temperature and Humidity Sensor

Features: This is a USB siren alarm with temperature and humidity sensor. With multiple ringtones for selection, high sensitivity and fast alarm speed. Environment friendly materials, without smell, radiation or harm. Two power supply ways, you can use mini USB or the backup CR123A battery. 120dB alarm sound, allows you to hear the alert from anywhere in your home. Mini and compact appearance, reasonable size design, brings you convenience and enjoyment. Stable performance, strong practicality and easy installation. Specification: Condition: 100% Brand New Material: ABS plastic Color: White Power Supply: Mini USB, 5V-1A Backup Power Supply: 2 * CR123A (Not Included) Sound Intensity: 120 dB Wireless Type: 2.4GH, 1T1R Protocol: IEEE 802.11b/g/n      Wireless Range: 45m Operating Temperature: 0?~60? (32°F~104°F) Free App: Tuyasmart or Smart Life Support Systems: For Android and For IOS Package Size: approx. 9.5*8.5*5cm/3.7*3.3*2in Package List: 1 * Siren Alarm 1 * Pack of Screw 1 * User Manual 1 * USB Line 1 * Glue