Our 10-Channel Laptop Notebook USB Anti-Theft Alarm Security System is designed to protect the valued goods￡? such as cell phone￡? laptop computer￡? digital products￡? GPS￡? etc. It will make function when the USB line is broken or short circuit occurs. As long as the thief plugs off the line￡? it will give out loud alarm to frighten him and warn the master so that it can effectively protect your belongings from being stolen. Easy to use and operate￡? our anti-theft alarm must be an ideal choice for you!                                    Features             New and high quality<br> Easy to install and operate<br> Long using life<br> Environmental economy￡? high temperature resistant￡? corrosion resistant<br> Stable performance and low power consumption<br> USB anti-theft alarm security system for PC / notebook / laptop<br> Alarm when the USB wire is disconnected to protect your laptop from being stolen<br> Loud alarm scares potential thieves away<br>                                                            Specifications             Powered by     DC 9V/ 600mA    <br> Material     Plastic    <br> Color     Black & White    <br> Dimensions     (5.71 x 3.54 x 1.38)" / (14.5 x 9 x 3.5)cm (L x W x H)    <br> Weight     776 g / 10.23 oz    <br> Alarm Volume     120dB ?à5dB     <br>                                                             Package Includes            1 x 10 Channel Laptop Notebook USB Anti-Theft Alarm Security System10 x 2m USB Cable1 x Power Adapter1 x Remote Controller