The magnetic switch alarm is with premium zinc alloy housing for better rust resistance.
Current:0.5A; Voltage:100V;Action Distance:45~60mm;Power Rating:10W
Pipe thread Length:44cm/17" ; Total Size: 10.5 x 3.8 x 1cm/4" x 1.5" x 0.4" (L*W*H)
The rolling magnetic contact is very easy to install. Keep your home safe with this door security alarm.
Sharp alarm will be heard when someone opens door or window in arming status,The reed switch is an electrical switch operated by an applied magnetic field.