Overview: Solar Panel: 5.4v/5m Ah amorphous silicon cell panel Light Source: 1pcs Ф10 super bright white LEDs (above 60, 000mcd) Battery: 250m Ah/3.6V chargeable lithium battery Charging Time: 4 hours full charging time by USB (Universal Serial Bus) adaptor Working Time: 6 hours after full charged Switch Model: ON→ Off. Color Options: Silver Motor:2.5W Brushless Function: with Hand crank function, Hand crank for 1 minutes, discharge for about 10 minutes: Rainproof: IP44 Material of main body: ABS Specification: Weight Approx:150g Size Approx:7 x 6.5 x 19