Only compatible with Hormann BLUE BUTTONS 868MHz handheld transmitters. NOT compatible with handheld remotes with GREY or GREEN buttons. This garage door opener is a replacement remote that functions the same as the original remote. The garage door handheld remote has a compact size that fits easily in your pocket, bag, or backpack, and includes a built-in key fob for attachment to a key ring. Programming type: Self-copy Number of channels: 2 Frequency: 868.3 MHz Transmitting distance: 100m (open space) Compatible models: Hormann HSM2 868, HSM4 868, HS1 868, HS2 868, HS4 868, HSE2 868, HSE4 868, HSZ1 868, HSZ2 868, HSP4 868, HSP4-C 868, HSD2-A 868, HSD2-C 868 Note: Installation guide not included. Professional installation is recommended. Please verify compatibility to ensure this item meets your needs. Product design may vary slightly between batches, including minor color or appearance differences, which do not affect functionality. Color: As shown Material: Plastic Package contents: 1 x Garage door remote control Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowed: +/- 1-3 cm.