Solar pane: Poly-crystalline silicon/single-crystalline silicon (3V, 75mA)
Storage battery: Ni-MH (1200mAH)
Light source: Super luminosity LED
Led quantity: 4 pcs
Luminous colour: Red, green, blue, white, yellow
Work time: More than 30 hours
Work temperature: -25 to 75 degree
Resist compression: 30 tons
Waterproof grade: IP67
Life: Over 5 years
View distance: Over 800m.