The Technical Pro SURGE9 Rackmount 9-Outlet Power Strip with 5V USB Charging Port fits into any standard rack, either your mobile rack or your studio rack. The unit can handle a total load of 1800 watts. The back panel incorporates 9 individual 120V 3-prong-type electrical sockets. On the front are on/off switches for each of the 9 outputs. Each power switch is illuminated in green, indicating which sockets are on or off.