Kidde SL177i Firex Dual Mode Strobe Light, SL177i, Voltage Rating: 100 - 130 VAC, Amperage Rating: 80 MILAMP Standby, 44 MILAMP Inrush, 390 MILAMP Operating, 177 CP Candle Power, 60 Flashes Per Minute, 120 VAC At 60 HZ Power Sources, Mounting: Single Gang Electrical Box, Up To 4 IN Octagon Box, Temp