LUMii Black Contactor TimerThe LUMii BLACK contactor timer is a simple and cost effective solution for grow light scheduling, ensuring that plants get the optimum levels of lighting throughout the day. The mechanical timer is easy to programme in 15 minute increments, while the relay switch safely turns on HID lights without causing a power surge or overloading the timer. The lightweight, flexible power bars take up to 13 Amps each (available in 4 way and 8 way), for maximum