GoControl/Linear GD00Z-4 Z-Wave Garage Door Opener Remote Controller, Small, Black NA Imported Go Control z-wave products provide up to 100 feet range between the wireless controller and/or the closest z-wave device Nortek security & control/Go Control has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg.. of z-wave products Add Z-Wave control to your current garage door opener. Compatible with virtually any automatic garage opener w-sectional garage door Easy to install and use Linear Z-Wave products provide up to 100 feet range between the wireless controller and/or the closest Z-Wave device Provides both audible and visual warnings prior to door movement Linear has been providing best-in-class home & business control solutions for over 50-years and is a leading worldwide mfg.. of Z-Wave products Specifications - Power: 120VAC, 50/60 Hz, Garage door position sensor frequency: 345 MHz, Z-Wave Frequency: 908.42 MHz