Specifications:

1) Solar panel: 4W multi-crystalline silicon tempered glass encapsulated

Life time: 15 years

3) Battery: 2.3Ah rechargeable battery

Life time: 5-8 years

5) Controller: switch on automatically by light sensor; switch off by timer 

(default: 8h)

6) Battery over-current and over-discharge protection

7) Material: cast aluminum pole with plastic-coated

8) Light source: super bright 3W LED lamp (120 lumens), luminance equivalence to

    one 30W incandescent lamp (life time: 100,000h)

Working conditions:

1) Continuous working days during cloudy weather: 3-5 days

2) Lighting range: 10m

3) Height: 78cm

4) Temperature: -40 ~ +80oC