solar panel and solar module 1. CE cert.approval: 2. Lifespan: 25 years; 3. 17 ... silicon solar panel and solar module1. STC: lrradiance 1000W/m2,Module temperature 25,AM=1.5;2. Nominal 12/24V DC ... high wind pressure and snow load, easy installation6. 25 years module output warranty. 7. Built-in diode prevents reverse chargesolar panel ... ,Paypal, Money gram ect.* WORKING PRINCIPLE: 165W mono solar module