Kit includes everything needed for a basic single gate installation except battery. Easy to install low voltage system, no electrician or welding required. Compatible with all GTO accessories. Battery back-up designed to work with an automotive or marinebattery (not included) which optimizes performance in cold weather. Ideal for farm, home or ranch gates up to 12 ft and and 250 lbs. Works on all types of gates: chain link, tube, panel, ornamental, wood and vinyl. Provides up to 225 cycles per day usingtransformer charger. UL approved. Designed for gates that open into the property.