System Sensor Wired Smoke & Heat Detector BK-2WTB
Hardwired Contacts, Surface Mount
Normally Open – This means, when the magnet is next to the contact (the door/window is closed), the circuit is open. Each pack contains 10 contacts and magnets.
LNA Pill – The Cure for contact headaches.
Narrow width of the LNA-PILL allows for window track installs without drilling into the frames.
Batteries, Hardwired Contacts
Hardwired Contacts, Transformers