4pcs RC33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White
$20.99
Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/10"; Total Size: 16.7mm x 10.7mm/0.66" x 0.42" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means…