·LED:54pcs 

·Brightness:High450lm,Middle157lm,Low70lm

·Color temperature: 5500K

·Battery:Li-ion 3.7V 10400mah

·Waterproof Switch:Low-Middle-High-Flash-Off

·Charging Time: 7 hrs@5V/2A

·Working Time:High 8 hrs,Low 77 hrs

·Input:Micro 5V/2A

·Output:USB 5V/2A

·Material:PC,ABS (shock resistant)

·Adapter: USB cable,Manual,hand strap

·IP68Size:262mm*￠36mmWith Battery Indicator LightWith hookWith hand strap:2pcs *275mm

·Optional accessory:Magnet holder