DIY Perimeter Alerts (Ethical & Safe)

Objective

Set simple, non‑injurious alerts so you wake up or get notified when someone enters a boundary.

Principles

• Detect, don’t injure. No traps. Local laws apply.
• Visibility: alerts should be obvious to you, discreet to passersby.

Methods

• Bell-on-line: light cord at ankle height to jingle a bell.
• Clipped glow stick: trip line pops a glow stick visible from your tent.
• Battery driveway sensor: off‑the‑shelf, fast setup.

Placement

• At camp edges, near gear caches, and at stairwells or back gates.

Real Example

Backyard storage alerted by a driveway sensor and a simple bell‑line deterred repeated night rummaging without confrontation.

Checklist

• Bell or light noisemaker
• Light cordage
• Driveway sensors

Contingencies

• Pets present → place lines higher; avoid entanglement.

After‑Action

Adjust line height and sensitivity after a night of testing.

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