We are offering "all in one solar street light 15w" model: sar-l15 (with sensor) mounting height(m): 4-5m solar panel max power: 18v25w (high efficiency imported silicon solar cell) space between light(m): 10-15m 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 15w warranty period: 2years led chip brand epistar from taiwan with high brightness unit size: 750*320*150mm lumen (lm) 1500-1650lm n.w: 6.0 kg led life time 50000hours inner box: lighting viewing angle 120 carton size: 810*380*200mm charge time(by sun): 6-7hours (with enough strong shine) 7 hours q'tyctn: 1setctn discharge time more than 20 hours (saving mode) gw.for carton: 6.7 kg working temp( ) -20+60 -20+60 20gp container: 650set cct (k) 6500k-7000k 40gp container: 1300set.