1 exterior colors: black, silver and white;

The 2 solar cells:

Lithium battery ( A 1500MAH )

Nickel metal hydride batteries ( B 1000MAH )

The built-in battery reverse recoil over discharge protection;

The 3 light source: 5mm high brightness LED 7, the life of 150000 hours;

4 visual distance 500m M: more than 16 lumens brightness . ";

5 full power sustainable lighting > 30 hours.