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0Lux with IR White Balance Auto/Manual AGC Auto/Manual S/N Ratio >50dB Optical Filter Mechanically Switching IR Filter Backlight Compensation Digital WDR DNR 3D/2D Digital Noise Reduction Shutter Speed 1/25~1/100
• Visible in all directions
so the appearance of the siren may differ from the picture
and one receiver
Beam Alert Wireless Door Entry Chime System Porch pirate 0Lux with IR White BalanceApplication: Garage door Overhead door Entrance Super market, restaurant, warehouse WIRELESS No wiring required between the sensor and speaker; when tripped, the sensor wirelessly transmits to any programmed speaker Weatherproof (IP55) IR photoelectric beam sensor for outdoor use Speaker makes "ding dong" or siren sound if beam is interrupted Speaker volume can be adjusted or turned off When in siren mode, sounding time is adjustable from 3~30 seconds
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