#1	NORMALLY OPENNO When sensor is separated from the magnet the circuit is conductivelight on When the switch is close to the magnet the circuit is not conductivelight off
#2	MATERIAL The switch housing is made of ABS flame retardant material and reed switch magnetic reed switch is resistant to high temperature and deformation
#3	ACTUATION DISTANCE Door Alarm Sensor with 515mm transmitting distance The has fast reflection and accurate detection
#4	NOTEThe Magnetic Door Switch No external power supply is needed and the GND and NC ports of wired or alarm control panel are directly connected
#5	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
Keepa ASIN	B07MX5WM9M
Brand	Sonew