The Intermatic 15 Amp 24-hour all-weather outdoor timer includes a rain-tight plastic case and can accommodate up to two on/ off settings per day. A 15 Amp capacity controls lighting and heavy-duty loads such as motors and pool pumps. A grounded plug is also included to protect connected devices. There's a manual override on/off switch, and a heavy-duty 18-inch grounded cord included with the timer for easy out-of-the-box use. The timer is designed to accommodate a maximum on time of 23-1/2-hours, and a minimum on time of 1/2-hour.