SMP provides the highest level of protection available. LiFT significantly reduces AC line noise. E.V.S. protects equipment from dangerous overvoltage conditions. Zero ground contamination circuitry assures delivery of pure AC. Two retractable, long-life, low-heat LED lights with dimmer for rack illumination. 12 volt triggering for remote control. 2.15 in H x 17 in W x 14.75 in D (Standard 1 RU height without feet) Weight: 11 lbs. Warranty 3 Years