Alarm sound when the thief pushes open the door or windowLow price and good quality, easy to install and useScope of use: doors and windows in a wide range of places such as homes, shops, factories, warehouses, etc.The product is small and exquisite, easy to install, and the double-sided adhesive tape provided is easy to install on the door or window.It is a cheap, high-quality, economical and practical technical precaution. Simply paste the main and auxiliary parts on the door and door frame, or on the two windows, and align them (leaving a space of about 5 mm). Once the thief prys the door, prys the window, attempts to steal (the main and auxiliary parts are separated), the alarm can emit a strong siren, deterring the thief, reminding the owner and the people around him to catch the thief. When you want to open the door or window, you can control it by the switch. It is suitable for anti-theft of residential houses, offices, store counters, etc.Power supply: 2 batteries of size 7 (not included in this unit, need to be prepared by the customer)Alarm sound: 90 dBinstallation method:1. Use double-sided tape to fix the host to the door/window,2. Glue another bar magnet to the door frame in a straight line along the prompt line of the host.3. When checking the settings, set the host switch to the "ON" position.4. Open the door and see if the siren sounds.Colour:WhiteMaterial:ABSPackage Contents:1x AlarmOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.About UsWe provide the good product with the best price,we support Wholesale/Drop Shipping Order1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it.2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.About Shipments1.We will send out the orders ASAP once your payment is completed normally.2.Please write your complete delivery address with correct phone number and zip code, especially please confirm your full name.About After-sale ServiceWe are reliable seller and we have our professional after-sale service for all of our customs. If there is any question about the order,please contact us in advance ,we will always here until you get a happy answer.About Feedback1. Please check the package and item when you get carefully to make sure there is no problem.2. If you have any problem or are not entirely satisfied with your package,please don’t be hesitate to contact us first before leaving negative feedback. We will resolve the problem to satisfy you.3. If there is no problem, please leave us five star positive feedback.Your affirmation is our greatest motivation ! ! !