Door & Window Burglar Alarm Sensor

Instant 90–120 dB alarm the moment a door or window opens.

Features:

• Triggers at 1mm opening — zero delay
• 1-year battery life, no replacements needed
• No false alarms — precise magnetic detection
• Easy adhesive installation — no tools required
• Discreet, compact white design

Use For:

• Home doors & windows
• Hotel & dormitory rooms
• Drawers & cabinets
• Child window safety

Includes: 1× Alarm unit + 1× Magnetic sensor strip