Alarme de porta portátil com sirene de 100dB, alimentado por bateria (sem necessidade de fiação).

|| Instant Security Wherever You Go ||​​ A ​​simple yet powerful​​ solution to ​​deter break-ins​​—no complicated setup, just ​​place and protect​​. ​​>> Why This Works <<​​ ​​Ear-Piercing 100dB Alarm:​​ • ​​Triggers when door/window moves​​ • ​​Scares off intruders within seconds​​ ​​Battery-Powered Convenience:​​ • ​​9V battery included (select models)​​ • ​​Lasts months on standby​​ ​​Universal Compatibility:​​ • ​​Fits under most doors (1-2cm gap)​​ • ​​Works on inward/outward swinging doors​​ ​​>> Real-World Protection <<​​ ​​Travel Essential:​​ ​​Hotel doors​​ – Stops unauthorized entry ​​Hostel dorms​​ – Privacy guard for shared rooms ​​Home Defense Hacks:​​ • ​​Place behind sliding windows​​ • ​​Use as backup for broken door sensors​​ ​​>> How It Works <<​​ ​​Slide under door/window​​ ​​Arm with simple switch​​ ​​Alarm sounds if disturbed​​ ​​>> Tech Specs <<​​ ​​Power:​​ 9V battery (not included in base model) ​​Size:​​ 8cm x 5cm x 3cm (fits in luggage pockets) ​​Disable Option:​​ Manual off switch