1、High Quality Material: Wireless switch is made of high quality PC material, flame retardant, high temperature resistant, anti deformation and durable. 2、Strong Signal: 433MHZ radio frequency signal, no need network, wireless light switch can be controlled through the wall, with high sensitivity. 3、Excellent Performance: Smart remote control switch is waterproof and no electricity leakage, you can use safely even in damp places. 4、Wide Application: Remote control switch is ideal for use in offices, hotels, restaurants, factories, etc, has a wide range of application. 5、Simple Installation: No wiring required, the installation is simple, can be fixed in any position, direct replacement, save your time and energy. Item Type: Wireless Switch Material: PC Working Voltage: DC3.0V Operating Frequency: 433MHz Standby Power Consumption: <1uA Transmit Power: <10mW Working Method: Wireless remote control Coding Method: EV1527 learning code Modulation Method: ASK Operating Temperature: -10°C to +70°C Battery Type: 1 x CR2032 button battery 150mAh (built in) 1 x Wireless Switch 2 x Sticker 1 x User Manual