【Smart Voice Control】Compatible with Alexa & Google Home. Simply use your voice to control the connected devices. It can also perform auto control together with other smart devices which are compatible with Smart Life or IFTTT. Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed.
【APP Remote Control】Download app "Smart Life" from GooglePlay or App Store to add the device to detect the status of your door/window. Home security in your hand all the time. 
【Share Control & History Records Tracking】You could share the device to your family members and track the history of sensor activities.
【Easy to Install】No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape or screws(included) in just a few steps.

Specifications:
Power Supply: 2*AAA 1.5V(not included) 
Standby Current: ≤5μA
Standby Time: 4-6months
Wireless Range: 50m(open area)
Alarm Distance: ≥1cm
Protocol: IEEE 802.11b/g/n
Wireless Type: 2.4GHz
APP: SmartLife/Tuya 
Material: Superior ABS 
Operating Temperature: -10℃~ 40℃
Operating Humidity: 20% ~85%
Size: Main body (D*W*H): 66*28*20mm
Deputy body (D*W*H): 66*10*20mm

Package Information:
Package Size: Approach. 6.6*4.2*3.7cm / 2.6*1.7*1.5in 
Package Weight: Approach. 44g / 1.55oz

Package List:
1 * Wireless Door/Window Detector
1 * Set of Mounting Screws and Stickers 
1 * User Manual (English)