Features: 1) Long receiving distance 2) Strong shield of electromagnetism Features: 1) ATMEL cmos-chip is adopted, strong ability of anti-static electricity 2) Internal shields are adopted, strong ability of anti-electromagnetism interference 3) Enhanced immunity against many different kinds of disturbance light sources 4) Electrical optical characteristics: a) Supply voltage: 4.5 - 5.5 V b) ...