The C.A.P. MLC-4XT master lighting controller allows you to control up to FOUR 1000 watt HID lights from one unit using the built-in timer. 

It comes with a 120 volt Trigger Cable that can be connected to an HLC-1, 2 or 3 in order to protect your growing area from overheating and your lights from Hot Start to help increase the life of both your grow light ballast and bulb.

The MLC-4XT master lighting controller gives you four standard 120/240 volt style outlets which allows you to run your ballasts at 120/240 volts without having to change out your ballast power cords.

MLC-4XT specs:

Trigger Voltage: 120 volts
Receptacle Type: Universal X-Plug accepts Nema 6-15 or Nema 5-15
Main Power Voltage: 240 volts
Maximum Relay Amperage: 30 amps
Maximum Wattage: 4000 watts/1000 watts per receptacle
Operating Temperature Range: 32-120° F
Operating Humidity Range: 0-99% RH
Relay Operations (minimum): 100,000 Electrical

This HID light controller need to be hardwired. We recommend a licensed electrician install this unit.

Warranted against defects in workmanship and parts for FIVE years!

More info (PDF format)