Designed with two thermostats, the CT-CT-1P temperature controller offers one temperature setting during the day (light period) and a different temperature at night (dark period). The CT-CT-1P is equipped with a photo sensor to automatically switch between day and night temperature settings. Internal sensors allow a 7F comfort zone or 3F with an external coil or remote bulb. Built with 4 synchronized outlets, the CT-CT-1P can control up to 15 Amps of cooling equipment. Like all our controllers, the CT-CT-1P is manufactured with corrosion resistance, black anodized chassis and durable components providing reliable performance for years to come. 115V 15amp with an operating temperature of 32-120 degrees F.