Sonew 10pcs NC Recessed Wired Door Window Sensor Magnetic Reed Switch for Home Security Alarm System, Magneti Door Switch, Sensor

About this item

• MATERIAL: The switch housing is made of ABS flame retardant material and reed switch, magnetic reed switch is to high temperature and deformation
• ACTUATION DISTANCE: Door Alarm Sensor with 5-15mm transmitting distance. The has fast reflection and accurate detection
• NOTE:The Magnetic Door Switch No external power supply is needed, and the GND and N.C ports of wired or alarm control panel are directly connected
• WIDELY USED: This Recessed Door Sensor works with any access control or burglar alarm system available. Not suitable for iron doors, it will reduce the magnetism of the sensor