Switching power supply desk type, universal plugs, max 40W output, with UL,CUL,CE,GS certification, ... compliance Switching power supply, desk type, 40W max. desk type, universal plugsinput:100-240VAC 50/60HZmax output power:40Wefficiency:>85% output ... compliance and EMC standard usage: be used for equipment or battery desktop scooter battery charger UL CE,GS