Reverse ground pin placement when mounted to wall unit accepts most right angle and transformer plugs. 24 hr repeat cycle programming turns outlets on and off same time daily. Programmable in 30 minute time intervals provides 48 setting options in 24hr period. Push down pins extremely easy to operate. Angled housing design makes unit easy to read and program. Two 3 prong grounded outlets use with indoor or outdoor devices requiring a grounded connection control 2 devices from one outlet. On/off top mount override switch to easily bypass programming. Compatible with CFL LED fluorescent and incandescent bulbs. 15A resistive 10A tungsten 1/2 horsepower.