Other information:
Specification
ItemSpecificationRated voltageDC 3VOperating voltageDC 2.7V ~ 3.3VOperating temperature-20°C ~ +60°C (-4°F ~ +140°F)RF ModulationFSKLF ModulationASKRF frequency433.92 MHzBatteryCR2032 (3V / 1EA)Transmissible distance30m or moreBattery lifetime2 years or more (at 20 times per d ...
Replacement
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Put on gloves to protect your hands.
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When prying with a flat-tip screwdriver, wrap it with
protective tape, and apply protective tape around the related parts, to
prevent damage.
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Us ...