Solar cell: poly-crystalline silicon / single-crystalline silicon (3v,100mA)
Storage battery: Ni-MH (1500mAH) / Super Capacitor (2*120F)
Light source: super luminosity LED;
LED quantity:4 pcs                                                  
 Luminosity colors: red, green, blue, white, yellow (for any choice)
Luminous mode: Constant Type (standard    luminosity intensity)      
 Work time: more than 15 hours
Work temperature: -25 to +75 degree C.
Material of light: Stainless steel
Resist compression: 20tons                                        
 Waterproof grade IP>67                                             
 Life: >5 years (Ni-MH)  or >15 year ( Super Capacitor)             
 View distance: over 800m                                         
 Guarantee period:14 months         
Packing size: 97*97*55mm
Weight(kg): 0.25KGS