Long-distance Wireless Transmission With a reliable wireless range of 1050 feet/320M and strong signal penetration, ensures you will never miss a visitor, even if you are a few rooms away or on another floor.It can be applied in apartment, school, villas, hotel, factory, hospital and more.
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IP65 Waterproof IP65 waterproof and dustproof, it can withstand all kinds of severe weather conditions. Work between -4°F and 140°F to ensure that it is suitable for different climates in different regions
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4-Year Battery Life The push button transmitter uses a 23A12V battery which has an ultra-long lifespan of up to 4 years,sparing you the hassle of frequent battery purchasing and replacement. Free with spare battery!
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