Solar cell:Mono-crystalline Sillion 2.5V/130mA
Storage Componet:Ni-Cd AA 2.4V/1200mAH battery;or Super Capacitor 2.3v/120F
Light Source:3pcs of ¢10mm super bright LEDs
Luminosity colors: red, green, blue, white, yellow (for any choice)
Light Mode;Flash type,frequency is adjustable
Work temperature:-40℃ to +70℃
Material:Alumunuim alloy and PC
Work Time:Over 12hrs after a full sunny day's charge,falsh over 8days if fully charged
Resist compression: 20 tons
Waterproof grade IP>68
Life: >5 years (Ni-Cd)  or >10 year ( Super Capacitor)
View distance: over 800m