Thailand

Siren with humidity and temperature sensor
Trigger alarm,make sound and light
Multiple Sound Selection
Power supply: Mini USB, 5V-1A
Sound intensity:105 dB
Wireless Type:2.4GHz, 1T1R
Operating Temperature:0- 40 (32F-104F) 
Free app:Tuyasmart or Smart Life. 
Support systems: Android and IOS. 
Workes with Alexa for ECHO and google home. 
size:68x 68x 30mm
Material:plastic
colour:white

Package Contents:
1 * Alarm Sensor
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.