82-18905 - 12VDC Piezo Buzzer 75dB
12V 75dB Buzzer
A miniature sized, high quality buzzer used with alarm systems. The buzzer has a low power consumption and is clearly audible.
82-18920 - Weather Resistant 12VDC Piezo Alarm
Unobtrusive, weather resistant sounder, with a high frequency sound output and low current consumption. Ideal for motorbikes and vehicle alarms, internal and external security systems
82-13865 - Alarm Switch Screw Terminals 3/4" Gap - Brown
The most basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of setup is ideal...
I've ordered several times from MCM and have always been very satisfied with their products, service and shipping.