The ETL listed Titan Controls Zephyr 2 is the answer for high heat issues created by the HID lights. Protect your garden environment using the Zephyr 2. It shuts down your lighting system if the heat exceeds your preferred temperature setting, and then delays the 'striking' of your lights from 1 to 30 minutes to avoid hot starting them and potentially damaging your lighting system. They've also added a 'HOLD' feature to this controller to manually restart your light bank, if required. Comes with a 6 foot temperature probe is accurate to within 2° F. Innovative and easy to use, perfect for your hydroponic and horticultural needs. 15 Amps/120 Volts/60 Hz. 3 year warranty.