Luminous efficiency of bulb (length/width): 120
Color rendering index (Ra): 90
Dimmer supported: Yes
Service life (hours): 50000
Working time (hours): 50000
Product weight (kg): 0.062
Power supply: Rechargeable battery
Color: white, red
Light source: LED
Product Name: LED headlamp
Features: USB charging
Function: Camping, hiking, climbing