Tripp Lite's wall-mountable LS604WM automatic voltage regulation system offers complete protection from brownouts, overvoltages and transient surges for computers, printers, telecommunications systems and more. Transformer-based voltage correction circuits maintain usable 120V nominal AC output during brownouts as low as 87V and overvoltages to 140V. Network grade equipment protection offers AC surge and noise suppression. Supports loads up to 600 watts. Rugged, all-metal case with keyhole mounting tabs allow secure 4-screw mounting on walls and other surfaces. Includes 4 NEMA5-15R outlets, 6-ft. line cord and lighted power switch.