800 stun gun is made of ABS engineering plastic and high-molecular   nanotechnology with a high voltage generator and a built-in nickelcadmium   rechargeable battery. It has an advanced electric pulse technology.  
  Main parameters:
    1.Source voltage: 4.8 V 
    2.Output pulse voltage: 2000KV 
  3.Size: 100 *25 *22 (mm) 
    4.Current consumption: 
  ≤1.9A(for electric shock) 
    ≤0.8A  (for illumination) 
  5.Environmental temperature: -5°F~113°F  
    6.Relative humidity: 30°C (20-30%)
 
Usage and attention:  
  1.Push upward the right switch second gear to shock 
    2.Push upward the right switch first gear to illuminate 
  3.The quantity of electric may be not adequate enough after accomplished, so   please check first before using. 
    4.This product is equipped with a built-in rechargeable battery and a built-in   charger. Connect the tie line with the electric power to charge. 
    5.The charge time should be 3- 5 hours, please pay attention to end the charging   time. During charging-up it can't be used. 
    6.Memory function and local action are specialized in rechargeable battery. After a   long period of non-use, it should be checked and charged one more time before   using. 
    7.The stun gun should not be stored in a humid environment and kept in super   high/low temperature. It shouldn't be sunned or rained. 
    8.In order to prolong the life span of usage, please avoid using electric shock   function continually for 5 seconds or more. 
    9.DO NOT shock metal objects 
  10.DO NOT shock children, children, persons with heart disease and any vital part   on human body.