Dual Mode Switching: The remote control can switch between two modes, making it versatile and suitable for different types of gates. Rolling Code 4 Keys:The remote control uses a rolling code system with four different keys, ensuring security and preventing unauthorized use. Wireless Remote:The remote control is wireless, making it easy to use and eliminating the need for complicated wiring. 433MHZ Copy Remote Control: The remote control operates at 433MHZ, allowing for a strong and reliable signal that can penetrate through obstacles. Hign-concerned Chemical:None Frequency:433 MHz Channel:4 Model Number:433Mhz universal remote control Wireless Communication: Use:Universal,Lighting,Electric Door,Automated curtains,SWITCH Colour:As Shown Material:plastic Package Contents: 1 * Garage door opener replication 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.