Input voltage: 3V~4.2V
Luminous efficiency of lamp (lm/w): 100
Color rendering index (Ra): 80
Dimmer supported: No
Service life (hours): 100000
Working hours (hours): 6
Product weight (kg): 0.064
Power supply: Rechargeable battery
Lighting period (hours): 6
Battery type: 18650 lithium battery
Lamp body material: aluminum alloy
Color: Black
Light source: LED
Product Name: LED headlamp
LED light source: original 2*OSLP9 LED
Logo customization: Yes
Battery: 1*18650 rechargeable battery (excluding 18650 battery)
Weight: 64 grams