· Led chip 1*SST40, real brightness 1600 lumen, throw 309 meter, run max 15H, underwater 100 meters tested
· Built in 1*21700 rechargeable battery 5000mAh, compact but powerful
· Compact and lightweight: 6.9 oz with battery, 6.3 inch in length
· Magnetic charging system, conveniently recharge by included USB cable and magnetic connector
· Patented for lens and outlook appearance. Light loss is very low, only 10%.