1,solar street light 2,Battery:warranty of 3 years; 3, ... ; 4,System life : > 20 years *Solar Street light Features: 1,high efficient solar panel,monocrystalline silicon.with converstion ... System life : > 20 years11,20'ft : 50-100pcs 12,delivery date : 25-30days after order acceptance and in ... efficiecny LED,with good heat dissipation performance. *Operate on 12 V DC,24V DC *Input voltage : AC 85-265V ...