Utilizing advanced LED technology, the FS-400 strobes provide a lower current draw, which allows for more devices on a NAC circuit while reducing the number of external power supplies required. Main Features Advanced LED technology provides superior current draw performance Lower power consumption per device allows for more notification appliances per circuit and reduces the need for external power supplies Device settings are located on the back of the unit to prevent tampering Includes shorting clip that allows installers to test the wiring before the device is installed Supports 12 to 22AWG Mount to MGC BB-400 surface mount back box, single gang, 4" square, double gang, octagon and 4" junction boxes All units include universal mounting plate For indoor applications Compact design Standard and High candela settings in one unit to meet virtually any application; 15, 15/75, 30, 75, 110, 185 cd