Applications Pumps Water Fountains Aerators Landscape and Holiday Lighting Engine Block Heaters Features 2 ON/OFF settings per day with removable trippers, more ON/OFF events with addition of extra trippers Minimum 30 min ON/OFF time Built into outdoor rated enclosure with clear or black flip cover Grounded standard or twist lock style NEMA plug and receptacle Plugs directly into wall outlet The P1121 is an outdoor mechanical plug in timer with built in enclosure. The timer is specifically designed to control outdoor decorations and holiday lighting, but it can also be used to control the filter pump of an above ground pool. This 120 Volt timer has a manual override ON/OFF switch, a waterproof cover and a 12 Inch grounded cord.