... failed, we'll send you a new driver; 2).If LED failed, we'll send you a new LED; 3).Unclear reason, we will ... ). Material: Aluminum alloy Water-proof,Anti-UV,Anti-corrosion;Driver with strict & long time test before application; LED chip with color temperature, CRI ... ,2000pcs one month7).All managed by software2.Payment Term O/A,L/C,D/A,D/P,T/T,Western Union,Paypal etc ...