10-pack wireless door and window alarms, small sensor chime with 110 dB and 4 operating modes for home, office, business and DIY installation

Small Alarm: Compact design, smaller than most door and window alarms. Easy Self-Installation: Simply peel off the protective film and stick it on. This alarm can be easily installed on all types of doors and windows, including revolving doors, roller doors, sliding doors, etc. Loud Burglar Alarm: In continuous alarm mode, the alarm effectively deters thieves and intruders once triggered. In doorbell mode, a loud tone warns your children or pets when they leave the house. 4 Operating Modes: General alarm, continuous alarm, door closing alarm, and doorbell mode. Simply select the desired mode using the side switch. Each mode has its own distinct tone. See product image for further details. Ideal for: Suitable for all types of doors and windows, as well as drawers, filing cabinets, safes, garages, RVs, offices, warehouses, shops, etc. Battery Level Indicator: Operates on 3 LR44 batteries. Low power consumption and long standby time. A "beep beep" signal sounds every half hour when the battery is low. Compact design: Smaller than most door and window alarms. Easy self-installation: Simply peel off the protective film and stick it on. The alarm can be easily attached to all types of doors and windows, whether hinged, roller, or sliding. Loud burglar alarm: In continuous alarm mode, the alarm effectively deters thieves and intruders once triggered. In doorbell mode, a loud tone warns your children or pets when they leave the house. Four operating modes are available: general alarm, continuous alarm, door closing alarm, and doorbell mode. Simply select the desired mode using the side switch. Each mode has its own distinct tone. See product image for further details. Ideal for: Suitable not only for all types of doors and windows, but also for drawers, filing cabinets, safes, garages, RVs, offices, warehouses, shops, etc. Functional Description: This alarm is a door/window open alarm. The installation distance between the device and the magnetic strip must be less than 1 cm. If the door/window is opened and the device and magnetic strip separate, the alarm will be triggered as soon as the distance exceeds 1 cm. Installation Instructions: 1) Apply double-sided adhesive tape to the back of the alarm and the magnetic strip and stick them separately to the two sides of the door or window frame. 2) Ensure that the inverted V-shaped line of the two parts is aligned and the distance between them is less than 1 cm. 4 Operating Modes: 1) General Alarm: The alarm sounds when the door is opened. 1) Continuous Alarm: The alarm sounds "Di…Di…Di…Di…" when the door is opened; it stops as soon as the door is closed. Setting: Switch up. The rapid tone is "Di-Di…Di…Di…". 2) Continuous Alarm: The alarm sounds continuously, even when the door is closed. Setting: Switch up, down, up. The signal tone is "Di-Di-Di…". 3) Door Closing Alarm: The alarm sounds "Di…Di…Di…" when the door is opened; it stops as soon as the door is closed. Setting: Switch up, down, up, down, up. The rapid tone is "Di-Di-Di…". 4) Doorbell: A "DingDong" sound is heard when the door is opened. Setting: Switch up, down, up, down, up, down, up. The rapid tone is "DingDong"

Product parameters:

Alarm dimensions: 57 x 30 x 17 mm

Magnetic rod dimensions: 35 x 10 x 10 mm

Alarm power supply: 3 LR44 batteries (included)

Package contents: 2/4/10 alarm sets