Chip, advanced technology, reasonable design, beautiful appearance. Over-voltage protection and protection design, safe and reliable. Long-distance RF signal transmission design, not blocked by obstacles, remote control operation is simple and convenient. This product is used for voltage AC220V/50-60Hz, DC 24V AC and DC motor forward, reverse, stop control. Applicable to a variety of scenes, such as electric screens, curtains, shades, electric remote control doors, electric tables, drying racks, etc. Control box: Rated voltage: AC220V Operating frequency: 50Hz/60Hz Control power: less than or equal to 500W Static power consumption: less than 0.1W Receive sensitivity: -108dbw Remote control distance: up to 50M Power frequency: 433MHz Transmitter: Operating voltage: DC12V Operating current: 10mA@12V Radiated power: 10mW@12V ASK Encoding: 1527 fixed code Transmitting frequency: 433.92MHz Plug Type: EU Plug, applicable to countries including Germany, France, Spain, Italy, and others. Color: As shown Material: Plastic Package Contents: 1 x Remote Control 1 x Controller 1 x Expansion Screw Tubes kit 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.