● Detect open/close status of the door/window
● Battery: CR2 x 1
● Standby current: 13uA
● Working current: 75mA-90mA
● Working time: 1 year（7 times/day）
2 years（3times/day）
● Wireless Type: 2.4GHz
● Protocol: IEEE 802.11b/g/n
● Wireless Range: 45m

Material: PC+ABS
Color: White
Power Supply Type: CR2
Battery Type: Lithium Battery
Product Size: 71*21*22 mm
Net Weight: 30 g

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