Timers: 15, 30, or 60 Minutes Simple spring-wound timers for 15, 30, and 60 minute ranges. Set dial knob at desired interval and power cuts off when knob returns to zero. Timed device plugs into back of timer. Black plastic case and satin chrome dial with black numerals. Fully grounded for 1 phase 115V/60Hz operation up to 1,800 Watts. Est Ship Wt.: 1lb (0.5kg).