?433MHz Required?This door sensor could ONLY work and code with 433MHz, code 1527 based alarm host. We introduced it for our JC Wireless 2G & WIFI Security Alarm System, if purchase alarm host from elsewhere, please check the code carefully before buy
?Smart Design?White polishing housing, Quality Made Touching button, Smart size , Weight:25g, Dimension:59.8mm*23mm*12.7mm (Part A),40mm*10mm*12.56mm (Part B), Users could Install it in any place, i.e. Door, window, drawer, wardrobe, bathroom, etc.
?Intelligent Coding?When battery is low, the door sensor would have low battery information to alarm host (JC Wireless 2G & WIFI Security Alarm System -sold in our shop). For other brand alarm host, it may show with general alarm info or users need to check with light indicator (flashes frequent when battery is low)
?Friendly Maintenance?The door sensor takes Alkaline button battery, when run out of battery ,it is easy to get replacement from on-line amazon shop or supermarket. Under standby mode it lasts for around 1 year, for home usage 6-month, commercial usage 3-6 month
?JCHENG'S After Service?30 days Money Refund,2 years quality warrantee and life time tech support. Any question or advise on our product, please feel free to contact us by firstname.lastname@example.org, will reply you within 24 Hours. Also, if not clear about setting up, we have teaching video of the alarm series on YouTube, please search 'JCHENG SECURITY' and find us!