(1)Duration:6hours
(2)Max Range:500m
(3)Impact Resistance:1m
(4)Water Resistance: IP67
(5)LED Bulb:1*CREE XM-L T6
(6)LED Lifespan:100,000 hours
(7)Input:100~240v AC 50/60Hz
(8)Output:4.2V DC/500mA
(9)Battery Type:3*AAA/1*18650 Li-ion Battery
(10)Recharge time:About 4-8 hours
(11)Size:Headlamp: 8* 8*4cm
(12)N.W:Headlamp: 182g
(13)Box size:13.3*11.6*8.6cm