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Transmission Frequency: 433MHz +_0.5MHZ. This door sensor must be work with Alarm system.If you are not sure if it can work. Humidity <=90 rh. Working Condition: Temperature -10 centi degree ~+ 40 centi degree.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.