Features: 1Environmentally Friendly: This wireless remote control interface is generous and convenient to use and can be used to remotely control electrical power supply; Energy conservation and environmental protection. 23 Working Modes: In remote control mode there are three working modes that can be adjusted (self locking interlocking inching); Switch through the learning button on the interface; It can be combined with various wireless remote controllers. 3Widely Use: Smart switch is widely applicable and can be applied to almost any electronic equipment including lights air conditioners heaters sound systems Christmas decorations and charging equipment. 4Manual and Remote Control: The wireless remote control design has three working modes: manual and remote control; The round key on the interface is not only a manual key but also a learning key for code matching with the remote controller. 5ABS: Adopt excellent ABS material possess impact resistance scratch resistance environmentally friendly.This Wifi smart switch is lightweight and easy to install. Specification: Item Type: Wifi Smart SwitchMaterial: ABSGross Weight: 80g / 2.8ozRemote Control Battery Type: Button battery (remote control with built in battery)Remote Control Battery Model: CR2016Remote Control Battery Capacity: 200mAhNumber of Batteries: 2 Package List: 1 x RFSwitch1 x Remote Control1 x Double Sided Adhesive Tape Note: This controller can learn 20 remote controllers with different codes and any key such as fixed code and learning code. If they are beyond the codes they will know the earliest remote controller in turn.