Magnetic Switch Door Entry Alarm or Chime. Model Ham2007

http://www.action-electronics.com/doorannouncers.htm $29.95 Price subject to change without notice. The Keypad Mini Alarm will alert you with a loud 105dB siren of a door or window opening. Intruder alert! Pleasant ding-dong when a door is opened. Use as a door entry chime. Protect a door or entry with a programmable alarm with entry and exit delay.
Programmable security code: 3 digits
Power supply: (3) 1.5V AAA-battery (not included)
Dimensions: 2.2" x 4.0" x 1.0"
Programmable entry time: 3 - 15 - 30 sec.
Programmable exit time: 10 - 20 - 30 sec.
Powerful built-in piezo siren: 105dB
Portable and ultra low consumption

Category:

Science & Technology

Tags:

• magnetic
• switch
• doorbell
• system
• Door
• Entry
• Alarm
• Chime
• Ham2007
• action
• electronics

[Aragon159]

it looks pretty old, but they hav newer ones. inexpensive and protects u :D