SSM-600 Solar Street Motion Light Description The fixture comes with motion sensor. The light will work full power when people passing by and work half power when no body around. Full power: 12hrs Housing High grade aluminium housing Color 6000K Solar Cell 18VDC (Sun Power from USA) - Life time: 25 years Battery Lithium Battery (12.8V) Life time: 5 years LED Chips Bridgelux Charging Time 7 hours Light Distribution 120 Degree Working Temp. -30'C - +70'C Warranty 2 years Remarks Suggest height: 5-6m. Suggest distance between poles 18-20m.