1. LED: COB LED + TOSHIBA 3W
2. Battery : 4×AAA batteries.
3. Voltage: 4.5V
4. Button function: head 100% light- 50% light- Off, body keep pressing button 2 seconds, COB ON-OFF.
5. net weight: 269.5g.
6. size: 43.3(dia)×175(h)mm(could expend to 235mm).
7. Lumens: head 120 lumen, body 100 lumen.
8. Light distance: 150m.
9. Working time: head 3 hours, body 3.5 hours.