~~The DigiLight Pro includes Radio Frequency (RF) Shielding to prevent interference with any other digital household equipment and operates completely silently meaning that your hydroponics hobby won't be causing any disturbances to you or your neighbors. Other features include end of lamp life detection and automatic shut off functionality as well as soft start technology to extend your lamp life as far as possible.
~~The DigiLight Pro Select 600W Ballast's six settings are 250W and 275W (super lumens with a 250W bulb), 400W and 440W (super lumens with a 400W bulb), 600W and 660W (super lumens with a 600W bulb). The super lumens settings mean you can push your lighting even further during those critical growth phases to maximize your yields. The dimming settings mean you can properly light your plants in the early stages of development, when high intensity light is not required, not to mention cooling your lamp and ballast in order to extend lamp life.
NO other compares to the standard of quality for this ballast, any issues then grab youself a replacement INSTANLY!