... longer, easy to use, you can hang on the wall.FS-250W LED Rainproof power Model SpecificationS-250-12S-250-15S ... ,Cut off output(5~15V)~(24~48V)Temperature coefficient±0.03%/0C(0~500C)Setup,rise,hold up time200ms,100ms,20msWorking ... refer to UL 1950EMC standardsDesgn refer to FCC Part15J classA FS-350-12 350W Rainproof Switching Power Supply