15 amps / 1725 watts dual outlet grounded timer use to automate your lighting adds convenience and encourages productive growth with consistent hours of light. Timers are essential for all hydroponic system applications, on"s and off"s in every 15 minutes and controls two outlets simultaneously. The warranty period is 1 year. Measures 7.5-inch length by 4.7-inch width by 1.7-inch height.