Poly Solar panels: 1,TUV ,CE, RoHS ,ISO900. 2,Warranty: 25 years with 80 % ... 0.65--0.8usd/w Poly Solar panels:1,TUV ,CE, RoHS ,ISO900.2,Warranty: 25 years with 80 % efficiency3 ... Vm-0.33%°CNOCT(nominal operating cell temperature)45°C(±°C)Insulation higher than 100MOhmVoltage standoff AC2000V, DC 3000VWind ... after placing the orderPaymentT/T or L/C 240W poly solar panels with TUV,CE,ROHS for home use