SLOT SERVER LUAR The bell wire ends are also black and red. When the doors and windows are shut, the attached switches are closed. After the alarm has sounded for a few hours, the batteries become exhausted and the alarm stops sounding. Located in the side of the box is the key switch that allows a person with a key (but no one else) to activate, service, reset, or deactivate the alarm system. Install the sounder first. Since that is more than the air temperature is ever likely to reach normally -- except in attics, furnace rooms, or over wood or coal stoves or other high-heat producers -- you will never experience false alarms during hot weather.|What Makes Slot Zink That {Different|Completely different|Totally different}