... ,intellgent automatic charging,over load protection Pure sine wave wall-mounted intelligent power inverter Features:CPU control,5ms transfer time ... over voltage ,low voltge protection,over temperature protection,low battery protection,compatibile with generators,using line interactive circuit technology. ... ) 46 x 27 x 37cm (0.046CBM)PRC-PSW (Wall-mounted) 55 x 28 x 22.5cm (0.035CBM)Weight ( ...