This pack of two digital 868 MHz handheld transmitters provides reliable control for door automation systems with 4-channel functionality. Designed for compatibility with models including Digital 382, 384, 302, 304, 313, 321, 323, and 131 868 MHz, these transmitters are suitable for use in homes with multiple automated systems. The 868 MHz handheld transmitter can duplicate most remote controls, allowing for easy backup setup. This enables seamless replication of existing remote functions for consistent and convenient operation. These garage door opener remotes deliver strong performance with high sensitivity and effective anti-interference capabilities. Engineered for stability and durability, the universal design ensures long-term reliability. Enjoy dependable remote control operation with these 868 MHz devices. Featuring a 4-channel system, these handheld transmitters offer an open-space transmission range of up to 100 meters. Their compact and lightweight design makes them easy to carry, while the responsive button layout ensures simple and intuitive use. Compatible with a wide range of applications, these 868 MHz transmitters can be used with garage doors, standard doors, skylights, vehicle alarms, motorcycles, and home security systems. The code-copying function allows for quick setup and broad compatibility across various devices. Product Weight: 80.0g Type: B – Without Bracket Color: Dark Gray Material: Plastic Package Contents: 2 x Garage Door Opener with Base Note: Light reflection and display settings may cause slight variations in color between the product and the image. Measurement may vary by +/- 1-3 cm.