we offer 12w all in one solar street light. "all in one solar street light 12w" model: sar-l12 (with sensor) mounting height(m): 3-4m solar panel max power: 18v18w (high efficiency imported silicon solar cell) space between light(m): 8-10m solar panel life time: 25 years lamps material of main: aluminium alloy battery type: lithium battery(life time 5 years) certificate: isoce rohs ip65 led max power: 12v 12w warranty period: 2years led chip brand: epistar from taiwan with high brightness unit size: 515*320*52mm lumen (lm): 1200-1320lm n.w: 5.8kg led life time: 50000hours inner box: 530*390*140mm lighting viewing angle: 120 carton size: 560*w570*h410mm charge time(by sun): 6-7hours (with enough strong shine) 7 hours q'tyctn: 4setsctn discharge time: more than 20 hours (saving mode) gw.for carton: 27kg working temp( ) -20+60 -20+60 20gp container: 800pcs cct (k): 6500k-7000k 40gp container: 1600pcs