طقم إنذار أمان لمفتاح مستشعر الاتصال المغناطيسي لنافذة الباب المعدني السلكي لمصنع مستودع المرآب

This is a set of magnetic detecting switch used to protect doors and windows for the most part, protective device monitors the opening and closure of doors and windows., High quality magnetic sensor contacts with strong magnetic, sensitive respond and long durability., The wired part often be installed on the fixed door frame and the mating part is mounted at the corresponding place on the door.Simple to install no hassles., This is a set of magnetic detection switch used to protect doors and windows on your most; Easy to install and use, a good replacement for old contacts, Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, and more