The Grand Master Controller is designed like no other. The only controller capable of controlling 4 channels. No other controller can operate the Tarantula Borg with 60 pre-sets and customizable spectrums. Featuring: 10ft remote Temp/humidity probe included x1 RJ45 Port for controlling the Tarantula Borg (up to 100 Lights) With the GMC Adapter, you can control x4 100 light rooms single channel or x2 200 light rooms dual channel This controller is required for pre-set spectrums for the Tarantula Borg. 3 Year Warranty Key Specs: Max Wattage: 5W per bar, 10W per set Voltage Range: 120–240V Amperage: 0.10A (120V) / 0.05A (240V) Coverage Area: Up to 4ft x 4ft Operating Temp: Max 40°C (104°F) Length: 40" Rating: IP66 (dustproof & water-resistant) What's Included: ✔ 1x Grand Master LED Controller✔ 1x 10ft Remote Temp/Humidity Probe✔ 1x RJ45 Port – Controls up to 100 Tarantula Borg Lights