This pack of two 868 MHz handheld transmitters provides reliable control for door automation systems with 4-channel functionality. Designed for compatibility with models including 382, 384, 302, 304, 313, 321, 323, and 131 868 MHz, these transmitters offer versatility for homes with multiple automated systems. The 868 MHz frequency allows easy duplication of most remote controls, providing a convenient backup option and seamless operation. These garage door openers deliver strong performance with high sensitivity and effective anti-interference capabilities. Optimized for stability and durability, the universal remote controls are built for long-term use. Featuring a 4-channel system, the transmitters offer an impressive transmission range of up to 100 meters in open spaces. Their compact and lightweight design makes them easy to carry, while the responsive buttons ensure simple operation. Ideal for use with garage doors, gates, skylights, car or motorcycle alarms, and home security systems, these transmitters support broad application. They are capable of copying codes for convenient access across various devices. Product Weight: 80.0g Type: B (Without Bracket) Color: Dark Gray Material: Plastic Package Contents: 2 x Garage Door Opener (base only) Note: The package includes only the items listed above. Due to lighting reflections and screen differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.