MLC-4XT Master Lighting Controller with 300Volt commercial use power line included. Introducing the MLC-4XT Light Controller, a versatile tool for any hydroponic enthusiast. With its four-channel output, this controller can effortlessly manage different grow light types and setups, allowing for maximum customization. Whether you're growing herbs, fruits or veggies, the MLC-4XT can help you optimize your setup and achieve optimal results. With a sleek design and easy-to-use interface, this light controller is perfect for both beginners and experts alike. And with its durable construction and reliable performance, you can be sure that it'll keep your plants thriving for years to come. So upgrade your hydroponic setup today with the MLC-4XT Light Controller! 4 Light (MLC-4) The C.A.P. MLC-4XT Master Lighting Controllers are the best devices for controlling up to four HID lights from one time-clock or controller. You run 30 amp, 120/ 240 volt power into the from one 120v cable.