Color: Black Material: monocrystalline silicon Voltage: 12/24V adaptive Maximum power: 400W USB output: 5V/2A Max Output: Dual USB Standby current: <10mA Maximum supply voltage (Vmp): 12V Conversion rate:21% Waterproof grade: IP65 Short circuit current:1.1A Solar panel working voltage:18V Solar panel open circuit voltage:20V Working temperature: -35~+60℃ Type: with 100A controller Applications: Car Batteries, Automobiles, RVs, Ships, Airplanes Controller size: 133*70*35mm/5.23*2.76*1.38inch Product size: 42*28cm/16.5*11*0.09inch