Random "lived-in" mode turns unit on/off multiple times throughout programmed "on" times. Reverse ground pin placement, when mounted to wall, unit accepts most right angle and transformer plugs. 7-day programmable, set to turn of any time, any day. 16 customizable on/off settings, multiple settings based on day, hour and minute. Only 4 programming buttons for simple step-by-step programming. Angled housing design and large LED screen makes unit easy to read and program. Automatically adjusts to daylight savings time. Countdown function provides for a time "on" period of up to 19 hours and 59 minutes. Two 3 prong grounded outlets, use with indoor devices requiring a grounded connection, control 2 devices from one outlet. Quick charge, initial 30 minute charge provides power to programmed unit while unplugged. Battery back-up maintains presets during power outages. On/off override button to easily bypass programming. Compatible with CFL, LED, fluorescent and incandescent bulbs. Extra heavy duty: Use with home electronics and appliances requiring high wattage/AMP consumption. 15A tungsten, 1 horsepower.