Big LOUD ALARM: door window sensors loud enough to detect entry, prevent kids and babies from going out of the house, protecting your home office, garage, dorm room, or apartment whether you are in or out.
SMART DESIGN: The alarm and magnetic stripe are separated by more than 0.39inch(10mm), and it keeps going off until you close the door(make them connection) or turn it off(switch to the button "OFF").
Prevent kids and babies from going out of the house without notice. Protect your house from thieves breaking into your house's windows and doors.
EASY INSTALLATION: Wipe the flat surface, peel off the sticker, mount the alarm on the door, and magnetic stripe on the door frame. Done!
Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes, apartments, mobile homes, offices, hotel rooms, garages, and more!
Triggered Immediately Alarm will be triggered immediately once you separate two parts, helps deter intruder and possibly notifies neighbors/homeowner, also helps notify you if visitors/children/pet or others are coming/going when you are at home. How to change 4 modes 1. Turn off the alarm first. Place the main unit and the magnetic strip together. 2. Turn it on (upward), and you will hear "Di-Di" (default mode). 3. After hearing "Di-Di", quickly slide the switch up and down, you will hear a continuous tone of "Di..." and the alarm is in constant alarm mode. 4. Slide the switch up and down quickly, you will hear "Di-Di-Di" and the alarm is in the door closing reminder mode. When the door is opened, the sound "Di--Di-Di" is emitted from 0dB-110dB. 5. Slide the switch up and down quickly, you will hear a "dingdong" sound and the alarm is in doorbell mode. When the door opened, it made a "Dingdong" sound.