General description This product is a wireless remote control featuring a simple and fashionable appearance. It supports both rolling code and fixed code remote control within the frequency range of 280-870MHz, allowing for the copying of multiple remote controls. The device offers three operating methods: Blue distribution network, SmartConfig distribution network, and connection to WIFI distribution network, enabling users to choose according to their preferences. Technical specifications Frequency Range: 280-870MHz Distance: Up to 100 meters Voltage: AC220V Plug Type: EU Plug (compatible with Indonesia, Germany, France, Spain, Italy, etc.) Material: ABS Programmable Function Keys: 4 Measurement Allowed Error: +/- 1-3cm Other information Package Contents: 1 * Rolling shutter door remote control Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.