UltraPro Personal Security Window and Door Alarm 5 Pack | 120dB Wireless Chime & Siren

• 120DB DOOR AND WINDOW ALARM — Deters intruders instantly using a reliable magnetic sensor, with selectable siren or chime alerts when doors or windows open or close
• SIMPLE ALERT CONTROL — Side OFF/chime/alarm switch lets you match security needs to daily use, includes four alarms for broader indoor entry point coverage
• WIRELESS INDOOR INSTALLATION — Uses included double-sided tape for fast tool-free mounting on doors, windows, cabinets or drawers, no wiring required
• BATTERY-OPERATED SECURITY ALARM — Runs on four included LR44 batteries and features a front LED low battery indicator for dependable everyday protection
• TRUSTED HOME MONITORING SOLUTION — Designed to add a layer of awareness and confidence in houses, apartments, dorm rooms, offices, RVs and campers; no apps or monthly fees required

• Prepare the Surface — Clean the door/window and frame, and the corresponding surface on the alarm unit and magnetic sensor. Ensure surfaces are dry and free of dust for optimal adhesion of the included double-sided tape.
• Install the Alarm and Sensor — Attach the alarm unit to the frame and the magnetic sensor to the door/window. Align them so the sensor is close to the alarm when closed, and separates when opened. Test alignment before pressing firmly.
• Insert Batteries and Test — Open the battery compartment on each alarm unit and insert four LR44 batteries, observing polarity. Slide the switch to 'Chime' or 'Alarm' mode and test by separating the sensor from the unit to confirm it triggers.
• Select Mode and Monitor — Choose between chime for gentle alerts or alarm for deterrence. Monitor the LED indicator for low battery warnings and replace batteries as needed to maintain protection.

Typical situations where UltraPro Personal Security Window and Door Alarm 5 Pack | 120dB Wireless Chime & Siren helps — illustrative scenarios, not customer reviews.