Hoermann hand-held transmitter compatible with Hoermann transmitters that use light blue buttons - Frequency: 868.3 MHz - Channels: 4 channels for controlling up to 4 devices Not compatible with black, grey, green or orange button variants Programming is simple by copying the signal from a functional transmitter that is already programmed. A working transmitting unit is required for programming. Includes battery, key ring, and easy-to-follow instructions in German Included in the package - Battery - Key ring - German language instructions Use scenarios - Residential garage or gate: add a spare remote to share access with a partner or family, while controlling up to four Hoermann devices on the same frequency - Small property with multiple access points: provide remotes for up to four gates or doors for family, guests, or service personnel - Replacement remote: replace a lost or damaged original Hoermann remote by programming this unit using an existing functional transmitter with correct programming Notes - Not compatible with button variants in black, grey, green or orange - Requires a working transmitter for programming to copy its signal and complete setup