Solar panel(monocrystalline) suply: usage life: over 25 years
B) Lead-acid batteries(maintenance-free) : usage life: 3-5 years
C) Cotroller: 12v 3-5A Option for control of working hours: ON/OFF by light sensor or timing control, with light sensor start
D) LED lamp: 4-12 w ( we reccomand LED lamp, because is weight: 1-2kg usage life: over 50, 000 hours
E) Pole: material: Galvanized steel pole thickness: 1. 5-2mm
F) Luminous flux(light output): 3500LM(that could be richly enough for you) Center for illumination: 15-22LUX
G) Color temperature: 250-1200k H) Working time: 8hours(per day) After raining days(overcast days) can working: 7-10days
I) Operating environment: - 20~60℃ Related humidity:  90%
J)Protection grade: IP65
Note: These configures for the solar garden light above just for your reference, if there is any special needs, just let us know, then we could design it for you . Our solar garden light widely used in all kinds of roadways, campuses, military bases, industrial parks and remote areas.