This model KR-D1 is a standalone sensor alarm.It means that it can be arming directly,once it was trigger.The amazing design can be part of your house.No need alarm system, you can stop the dangerous from the door/window.
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<br />Please be noted the following situations; in case of it can't be used once finished the installation.
<br />1.Don't be installed the place where it was easy been broken.
<br />2.Don't be installed the place where the base isn't stable
<br />Don't be installed the place where it was near the magnetic goods.
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<br />Packing List
<br />Contact * 1pcs
<br />Magnetic*1
<br />User Manual*1