Cordless miner's cap lamp

Rechargeable.

Lamp 4 is water proof design. It is applied complete stainless steel material for all the metal parts. It can even dive to 15 meters. 

Three Brightness Modes 
low bright, bright and super bright. 
Fully satisfy your lighting needs. 
Super light on weight 
Small Size and Lighter - able to float on the surface of the water 

SOS 
Hold the button for 3 seconds, Lamp 4's SOS mode will be opened. 
3 quick flashes and 3 slow flashes - telling others that there are people here who need help. 

Battery Indicate 
Hold the button for 1.5 seconds to enter Battery Indicate mode, the LED light source will give out weak light to tell you the remaining capacity of batteries. Then, you can judge how long you can use the lamp.

13+ hour Battery life