The interval timers SSA100 and 200 with brains and good looks. 8 timers in 1 with field settable intervals in minutes of 5, 15, or 30 or in hours of 1, 3, 6, 9 or 12. Manual scroll up in 10 min. increments for overrides up to 12 hours. Tamper resistant once installed. Warns with a flicker and/or beep before load turns off, can be disabled. Backlit LCD. For energy savings to control lighting or motor loads where an occupancy sensor is not suitable. Fluorescent and incandescent lighting in offices, meeting rooms, stock rooms, exhaust fans, hot tub heaters. No minimum load required. White decorator type face with matching wall plate.