1. Material: engineering plastic
2. 3 levels brightness
3. Type of light source: 60LEDs
4. Power supply: 3 x AAA batteries(not included) / 1 x 18650 Rechargeable lithium battery
5. Switch type: button
6. Voltage: 3.7V-4.5V
7. Power: 3W
8. Dimension: 11.5x11.5x5.6cm
9. Weight: 105g / 120g
