Normally closed magnetic contacts with a short 3/4" switch.
Excellent experience with this vendor
82-4750 - 12V 5.0Ah Rechargable Sealed Lead Acid Battery
ELK Sealed Lead Acid Batteries are excellent for the following applications with regard to size, Amp hour rating, and proper terminal connections: battery backup (for Access Control Systems, Fire Alarm Systems, and Security Alarm Systems), emergency lights, lighte...
28-955 - Double Sided Foam Tape
Thousands of uses Fasten accessories to car dash, etc. 3/4" x 61/2' roll
35-5155 - 10MM Headphones White High Performance Earbud
High Performance Earbud Headphones White
Lightweight, stylish, high performance earbuds give crystal clear sound as well as a comfortable fit. Ideal for use with CD, MP3, MP4 and any other small portable audio players.
80-6875 - VHS Head Cleaner
VCR Head Cleaner safely and effectively cleans tape heads and entire tape path Non-abrasive
Exclusive cleaning material prevents debris from re-depositing on heads
I have used MCM for many years and would give high recommendation for getting the job done right.