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● Cannot be wired, only can control Xiaomi smart bulb or light through ZigBee
● Portable, realize controlling everywhere
● Can be used as a key doorbell
● Defending and withdrawing function
● Wireless connection: ZigBee
● Built-in CR2032 battery
● Please download the "Mi Home" APP in Google Play or APP Store
● Working temp : -5 - 60 Deg.C
● Wireless frequency: 2.4GHz ( 2400 - 2483.5MHz )
Package weight: 0.216 kg
Package Contents: 1 x Smart Light Switch, 1 x English User Manual, 1 x Adhesive