1.A-Grade solar panel 2.Japan TPT,Tempered glass,aluminum frame 3.MC4, waterproof junction box 4.CE,UL,TUV 5.PWM controller A-Grade Folding Solar Panel with PWM Controller40W Solar Panel, 40W Monocrystalline Solar Panel40W Solar Panel Features1) High Efficiency2) 12V DC standard output3) CE,TUV junction box 4) Lifetime:25 years 5) Warranty:2 years 6) 90% power 10 years7) 80% power 20 years40W ...