This Cli-Mate Timer Relay Voi Box is the perfect addition to your climate control and air purification system. With 4 x 600W plus 3500W heater connections, this black relay box is designed to meet your hydroponics and garden needs. The timer feature allows you to set specific times for your equipment to turn on and off, making it easy to control your environment. Whether you're a seasoned gardener or just starting out, this Cli-Mate Relay Box is a great investment. It's easy to use and ensures that your plants get the right amount of heat and light they need to thrive. Get yours today and take your garden to the next level!