A DIY viewpoint applied to doors for dynamic surveillance of the direct exterior and the security of the interior while occupied in insecure rooms (e.g., hotels).
[BUY] The Primer Trip Line Alarm Device is a compact proximity alert alarm system initiated via tripwires and primers. Extremely effective, no batteries needed.
[BUY] The SABRE Window Alarm is a security system that’s set off when a window is disturbed or broken. For impromptu scenarios and permanent placements.
[BUY] The Noopel security sensor is a portable, basic yet effective magnetically based alarm system. Designed for doors and windows but highly situationally adaptable.
The set up + use of improvised proximity alert systems (to detect or deter intruders) with no special equipment, while occupying any given room.