Backward compatible with most Genie Intellicode openers manufactured since 2013 (excluding 1022, 1024, 1042, 2022, 2024, 2027, 2042); Features in.Jogger Button in.; 10 second DELAY button can be pressed up to 3x for a max 30s; Work light on opener flashes 4-5 seconds prior to door movement; Optional backlighting on door button; Standard pulse every 3 seconds helps to locate device on the wall; Change to faster or turn off completely for maximum battery life; 2 AAA Batteries included