Covert 8 Light Relay Controller, 120/240 VoltReliably and confidently control up to 8 HID lights with the Covert 8 Light Controller. When using with the included 120 volt trigger cable with a 120 volt timer, you are able to automatically turn on and off up to (8) 1,000 watt grow lights (LED, HPS, CMH, T5 etc). It is recommended to consult a certified electrician before installing or using this controller, especially if you are unfamiliar with electrical wiring and circuits. (120 volt & 240 volt