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Door Knob Alarm Plan

Name: Door Knob Alarm Plan
SKU: PLAN 12009
Price: 6.95 USD
Availability: InStock

$6.95

SKU: PLAN 12009 Categories: Books & Electronic Plans, Plans - Security Alarms & Control

Door Knob Alarm Plan – PLAN 12009

An ideal intrusion detector for the traveler to hang on his motel doorknob. Anyone touching the knob on the outside will set off a loud piercing alarm. Put one on both front and rear doors at home. Perfect for the elderly. Loud alarm alerts them that someone may be trying to break in. Uses standard 9V transistor battery. Electronic Plan – no parts or components included, paper plan ONLY.

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Door Knob Alarm Plan – PLAN 12009

An ideal intrusion detector for the traveler to hang on his motel doorknob. Anyone touching the knob on the outside will set off a loud piercing alarm. Put one on both front and rear doors at home. Perfect for the elderly. Loud alarm alerts them that someone may be trying to break in. Uses standard 9V transistor battery. Electronic Plan – no parts or components included, paper plan ONLY.