2.4G Wireless USB 120dB Siren Alarm Sensor Thermometer Hygrometer Home Security System Temp Humidity Monitor with Alert APP Notification Via Smartphone Remote Control Support Amazon Alexa Works with G

Features:
Efficient Work: Connect 2.4G Wireless,the notification Get instant push alerts on your phone when the siren alarm sensor is triggered.  
Temperature and Humidity Monitor: Measures temperatures and humidity percentages. Capable of displaying the readings in phone in multiple locations. Temperature displayed in °F or °C.  
Extendable Sensors: This siren can identify some notification sensors such as Motion Sensor,Door/Window Sensor,Water Leakage Sensor,works with Google Assistant and IFTTT.
Easy Operate: The Siren Sensor with small sized,very easy to opera. No need any controller gateway,use app one key to contral
Sound & LED Alarm: When the siren alarm triggered,it will make alarm sound (up to 105dB) and red light flash at the same time.
8 Sound Alarm: 8 different sounds can be choosed to alarm different occasion,such as home invasion,indoor door opening and even mail delivery.

Specifications:
Material: ABS
Color: White
Name: WiFi USB Siren Alarm                                                         
Update Function: With Temperature and Humidity sensor                                      Alarm: Multiple Sound Selection
Power supply: Mini USB , 5V-1A
Backup power supply: CR123A x 2 (Not Include)
Sound intensity: 120 dB
Wireless Type: 2.4GHz, 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: Android and IOS.
Workes with google home.
Item size(D*W*H): 65*65*30mm / 2.6*2.6*1.2"
Item Weight: 115g / 4.1oz
Package Weight: 110g / 3.9oz
Package Size: 85*50*95mm / 3.3*2.0*3.7"

Package List:
1 * Alarm Siren
1 * USB Cable
1 * Manual