Karassn Wireless Magnetic Door Sensor – KS-21AW

Product Summary of Wireless Contact Sensor Alarm Door

Wireless Door Contact Sensor matches with a magnet. It sends alarm signal to alarm console when both parts separated. The door sensor is designed in micro power consumption with low power alert. The wireless transmitter adopts SAWF. It is more stable. The transmitting distance in open area can reach above 250m. It’s used to be installed in mobile door or window. It’s packaged with a color paper and a transparent