1. Material: ABS 2. Light bulb: high-power beads 3. Running time: around 4h-5h under strong light/Charging time: around 5h 4. Charging voltage/current/power: 5V/1A/1.8W 5. Lumen: 95LM 6. Function: 8-speed dimming 7. Battery: Polymer, 1200mA (built-in battery)