This pack of two for Digital 302 868 MHz handheld transmitters provides effective control over door automation systems with its 4 channel 868 MHz functionality. These transmitters display high compatibility with models such as for Digital 382/384/302/304/313/321/323 868 MHz and for 131 868 MHz, making them versatile for homes with multiple automation systems. This handheld transmitter with 868 MHz frequency can effortlessly duplicate most remote controls, ensuring you always have a backup. Thus, you can conveniently mirror the functionality of your old remote control and a seamless control experience. Our remote control garage door openers deliver performance with their high sensitivity and robust anti-interference capabilities. Carefully optimized for stability and reliability, these universal remote controls promise long-lasting usage. Experience the convenience of superior remote control with our handheld transmitters operating at 868 MHz frequency. Equipped with a 4-channel remote control system, our 868 MHz handheld transmitters deliver an impressive open-space transmission range of 100 meters. Owing to their compact structure and nature, they are easy to carry along, while the sensitive touch function ensures easy operation. Experience hassle-free door automation control with these handy devices. Our 868 MHz garage door openers are versatile and can be used across areas such as automobiles, garage doors, normal doors, skylights, car/motorcycle alarms, and home security products. With high compatibility, these transmitters can easily copy codes, ensuring easy access across all areas of usage. Product Weight:80.0g Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you!Type:B:Without Bracket Colour:Dark Gray Material:Plastic Package Contents: 2 x Garage Door Opener with Base 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.