Use  available  long time by low  consumption power,
radiate high intensityof light by high output of power ,
LED applied design.
 Semi-permanent  life expectancy , when continuous ,
use more than20,000hours .
 Aluminum body, external magnetic switch construction
without groove, no water leakage.
 Radiate white shine color temperature(6500k) of  natural
light nearly, therefore effect excellent underwater shooting.
 Use  available  underwater and open-air  by effective heatproof
/waterproof construction.
  Use available throwaway  dry cell(Alkaline) and recharge
battery(NiMh)  
  Powerful Aluminum body of  impact and  anodizing coating
treat.
 Safety to radiate gases on outside by used battery  on
account of  gas ventilation valve designed.