Check the listing for details. Titian Controller Helios 11. Condition: Open box. Listed at 40.00 USD. The Helios 11 will run for four (4) HID lights at 240 volts. Features premium quality industrial grade relay. Plug the relay trigger cord into the external 24-hour timer to run your lights. The Titian Controller Helios 11 is an exceptional product for any hydroponics enthusiast. This advanced grow light accessory offers precise control over your indoor grow environment, allowing you to achieve your desired results with ease. With its high-quality build and reliable performance, the Helios 11 is a must-have for any serious hydroponic gardener. This controller is compatible with a range of grow lights and accessories, making it a versatile addition to any setup. Its sleek and intuitive design ensures that it is easy to use, even for beginners. So if you're looking for a reliable and efficient way to control your indoor grow environment, the Titian Controller Helios 11 is the perfect choice.