1 Made of ABS material, resistant to high temperatures. This switch can resist the high temperature of 60 . 2 With wide range of applications, suitable for schools, banks, hospitals, shopping malls, office buildings, restaurants, etc. 3 Easy to install, can be used with a 86 type bottom box. 4 Comes with three terminals of COM, normally open NO, and normally closed NC, convenient and simple for you to use. 5 Automatic reset design, after the finger leaves, the relay restores its original state. 6 This alarm can be triggered in the event of an emergency, to help you deal with trouble.
What's in the box
5 x SOS Emergency Call Switch Alarm Device
