Solar reading lamp:
Size: 10.5X9.5x3.8cm(Extension length: 16cm).
Weight: 0.66 KGS.
Materials: Thermoplastic ABS resin
Solar reading lamp has 2 specifications:

NO1: Solar panel: 4V70mA(0.28w).
Storage battery: 4 pieces of 1.2V600mA chargeable NI-CO batteries.
Charged in the sun for 8 hours,
It can work for 5-6 hours in strongest brightness.
It takes about 18 hours to fully charge it,
Can work for 9-10 hours in strongest brightness.

NO2: Solar panel: 4V50mA(0.20w).
Storage battery: 2 pieces of 1.2V600mA chargeable NI-CO batteries.
Charged in the sun for 8 hours,
It can work for 2.5-3 hours in strongest brightness.
It takes about 14 hours to fully charge it,
Can work for 5-6 hours in strongest brightness

The head can be flexed freely. Extend it to be a reading lamp,
And draw it back to be a flashlight.