A. FUNCTION

To use the four switchs to operate, can 
attain the following purposes:

  1. Constant lighting as electric torch

  2. Flashing in the frequency of 70/90 times
      per minute, can be seen around 50 meters 
      in day and 100 meters in darkness.

B. POWER SOURCE

Use 2 pcs. x UM-2 1,5V batteries

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