Thermostat controlled haning radiant heater uses a wafer type thermostat to regulate temperature. Rugged all metal construction, including heat element. Located on the main channel is an on/off switch. Includes and attraction light socket. Has 2 5Ft chains with "S" hooks so you can adjust the height of the heater. Use for brooding or space heating. Broods aproximately 350 Quail size chicks. Works with all poultry. Size: 25.5" x 6" x 6"