1-1 American standard: Voltage/frequency: 120V/60HZ Ampere: 0.594A Watt: 36.7W Flux: 40L/min./500G 1-2 European standard: Voltage/frequency: 230V/50HZ Ampere: 0.19A Watt: 24W Flux: 30L/min/500G Packing size: 230*230*300mm QTY for 20'container: 1890pcs QTY for 40'container: 3780pcs QTY for 40'HQ container: 4410pcs Approved by GS UL CE TUV Use in simple-set pool