* Underwater and outdoor flashlight
* Standby power : under 25㎂(10 year standby time)
* 200M waterproof
* Switch locking system
- The locking system prevents the
   switch from operating unexpectedly
   while moving
* Anodized aluminum body
* Scratch resistant tempered glass lens
* Size : 165 x 25 x 52mm, weight : 242g
 
* Functions : 
- 4 Levels of brightness control (H,M,L,SOS)
- Max 18hrs run-time
* Max 1,200Lm
* Burn-times : 2-18hrs
* Available temperature : -20°-70°C
* Angle : 3degree
 
* Left-right 1/4 turn rotary switch
* Power : 3.7V Li-ion rechargeable battery
(21700 or 18650)
* Individual serial number
 
How to use the switch : 
(1) Push and turn left : medium (standard)
(2) Push and turn left twice : low
(3) Push and turn right : high (standard)
(4) Push and turn right twice : SOS
 
Specs.(S15)
Mode          High   Medium    Low      SOS
Lm               1,200    700           450      550
Runtime    2hrs    5hrs          18hrs     18hrs
Size : 165 x 25 x 52mm
Weight : 242g(without battery)