Input voltage (V): DC 3.7V
Luminous efficiency of bulb (length/width): 80
Service life (hours): 15000
Working hours (hours): 20000
Product weight (kg): 0.1
Lighting period (hours): 6
Battery type: Li-ion
Lamp body material: ABS
Color: Black
Light source: LED
Product Name: COB headlamp
Battery: Built-in battery
Material: ABS plastic
Mode: Strong/Strobe
Charging method: USB charging
LED type: COB
Weight: 92 grams