Switch mode buffer power supply unit (transformerless) for cameras 12VDC (+/- 15%). Size: 285 x 297 x 80+8 mm. Uin=176÷264VAC, Uout=13,8VDC/9x1A, ?I=9A+1A. Tamper: 1xNC, 17Ah. SCP (short-circuit protection) with standard fuses, OVP (over voltage protection), OLP (overload protection), UVP (deep discharge battery protection).