Features: 1. Hormann HSM4 HSM2 868MHz garage door remote control. 2. This garage door remote control receiver is not the original remote control, but its function is the same as the original remote control. 3. The garage door handheld transmitter is compact and can be easily placed in your pocket, bag, or backpack, and includes a built-in keyring for attaching to your keys. 4. Usage/Application Areas: remote-controlled electric doors and windows, garage doors, rolling shutter doors, telescopic doors, track gates, sliding doors. 5. Packaging includes: remote control, battery, instruction manual, and keychain. Specifications: Frequency: 868.3 MHz Code: Rolling Code Keys: 2 Battery: Built-in Shell Material: Metal and ABS Working Voltage: 12V Working Current: 27mA Transmission Distance: 100m (open area) Material: Metal and ABS Color: Grey Size: 7 x 4 x 2 cm Weight: 30g Package Includes: 1 x Remote Control 1 x Instruction Manual 1 x Battery 1 x Keychain