Wireless Door And Window Sensor Burglar Alarm System

Thank you for entering our shop. We hope to give you a pleasant shopping experience.For a better understanding of our products, please click on the SELLER INFORMATION to enter our shop to make a purchase. You can always follow our shop, our products are constantly updated and more beautiful products are waiting for you.Electronics are shipped internationally, please charge this product for 2 hours before using it for the first time.We will check the quality of the product before shipping to ensure that it is delivered to you in the best quality. 1.Doors,windows,families,shops,businesses, etc.    2.Internet cafes,computer chassis,anti-theft devices.    3.Applicable to anti-theft of Internet cafes,residential buildings, offices,shop counters,etc.Built-in 90 dB alarm output,using 3 x 1.5 V LR44 button battery (included).    4.It is suitable for burglar-proof of residential buildings,offices, shop counters,etc.    Note: The colour of the actual item may vary slightly from the picture above.Due to differences in computer screens, the colour of the actual item may vary slightly from the image above.Due to manual measurement, different measurement methods and tools, there may be slight size deviation. Thank you for your understanding.Hope you have a great day!!!To find out more about our products, please click on the SELLER INFORMATION to go to our shop to make a purchase.