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2006-12-19
1. Twin-Beam has greater stability 2. The sensor can work in rain, fog, snow etc. 3. Twin...
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2006-12-19
1. It has firm stability 2. Triple infrared beams are available in 50m, 75m, 100m and 150m...
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2006-12-19
1. Quad Beam has greater Stability 2. The sensor can work in the rain, fog, snow etc. 3. Alarm...
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