Home Security Door Alarm - 110dB Magnetic Window Sensor for Kids Safety & Pool Protection (2 Pack) - Ideal for Doors, Windows, and Childproofing

The magnetic sensor system will be triggered immediately once you separate two parts.It's cost-effective security solution to protect you and your family. Alarm Volume: 110dBBattey life: over 12 monthsIncluding items: 1*alarm main unit, 1*magnetic sensorWeight: 35.4gDetector mode: magnetic door sensorBattery: 3*1.5V AG13 or LR44(included),low battery test button.Size : 10*35*11mm(magnetic sensor) , 56mm*33mm*17mm (main unit) How to switch sound mode? Turn off the alarm first. Place the main unit and the magnetic strip together. Turn it on (upward), and you will hear "Di-Di" (default mode).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.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.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. note: The time between sliding the switch up and down should not exceed 3 seconds. Otherwise, it will start again.To change the mode after replacing the battery, reset it.You can also watch the video on the product detail page to get an intuitive understanding. If you encounter any problems, please feel free to contact Hendun. Triggered Immediately Alarm will be triggered immediately once you separate two parts.110 db loud alarm 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. door alarm size veritable little body big functions. triggered immediately door alarm size installation instruction Low Battery Indicator When in low battery, it will sound "Du-Du-Du-Du" to remind you change the new battery. Battery can standby for 1 year. Different Installation Scenarios Even if door and door frame are not flat, they can still be attached to. Sliding Window/Door Note: 1.The 2 parts need be aligned by their alignment arrow; 2.The Distance between them should be less than 10mm. Pool Door Alarm The alarm will sound when a child opens the door, and the alarm will continue to sound until an adult turn it off. 130db loud alarm door alarm with remote prying door alarm door alarm with remote 140db waterproof alarm Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 484 4.4 out of 5 stars 6,478 4.4 out of 5 stars 1,692 4.4 out of 5 stars 2,506 4.1 out of 5 stars 530 Price $11.89$11.89 $21.48$21.48 $16.99$16.99 $9.99$9.99 $35.99$35.99 remote control ✓ ✓ ✓ ✓ ✓ waterproof x x ✓ x ✓ detection mode magnetic connection magnetic connection vibration sensor magnetic connection magnetic connection quantity of packing 1 2 1 1 2