Sun Lift is a grow light reflector suspension system which allows you to adjust the height of a hood in one simple movement. The tension mechanism will keep the hood in place once it is set at the desired height. The support strings pull out and retract like a yo-yo. Mounting hardware included. For use with all remote ballast HID systems and suspended lights up to 22 lbs. Sun Lift hanger provides up to 4' of height adjustment. Reflector not included.