Input voltage: 190 – 265VAC at 50/60Hz |Output voltage: 13.6VDC 3Amp |Battery backup power supply |Uses 7.2/8.0Ah battery |Includes AC fail relay and buzzer |Has an SA plug top and 300mm lead |Lockable enclosure, grey epoxy-coated finish |Metal housing dimensions: 203mm (H) x 163mm (W) x 74mm (D)