1．Power supply: solar battery(single crystal silicon)2.5V80mA

2．Storage battery: 600MA High temperature resistance Storage battery

3．Work time:more than 72 hrs for above 8 hrs for standard luminosity intensity

4．Luminous mode:varying type(2Hz±20%)/constant type

5．Light source color:red,green,blue,white,yellow(for any choice)

6．Light source:φ5super luminosity LED

7．View distance:over 500m

8．Service life:more than 3 years

9．Work circumstance: -20°C to +70°C.

10．Light Power: Direct illumination less than 500Lux

11. Size:110*90*23mm

12．Compression resistance: in static state more than 12tons

13.install directions: use resin and screw fixed it,keep it cannot drop off for a long time