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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
backstroke
drums and other musical instruments
Soft and Comfortable to wear
16~2 inch (4~50mm)
- Material: Stainless Steel
Door Single Beam Alarm Photoelectric PC Material 12V DC Infrared Detector for Home Security System Black sold2025 backstrokeDoor Single Beam Alarm Photoelectric PC Material 12V DC Infrared Detector for Home Security System Black Product Features SAFE AND RELIABLE: The pair of infrared detectors can reliably generate visible infrared rays up to 20 meters long. The barrier detector frequency of the single beam alarm is 1. 92 kHz, the power supply is 12 V DC and the wavelength is 940 nm. UNIQUE DESIGN: The infrared beam sensor has a unique design of high capacity digital anti
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