wsdcam door and window alarm for home wireless alarm security system magnetic alarm sensor close door reminder loud 110 db, 4-in-1 mode window alarms 10 pack wsdcam specifications: <br /> 1. dimensions:2.5x2x1.6 inches (each)<br /> 2. weight:35g (each)<br /> 3. batteries: 1 x lr 44 button cell batteries each(included)<br /> 4. color: white<br /> 5. size: 10 alarms</p> <p>operation:<br /> 1. peel and stick the alarm to any window/doors.<br /> 2. slide the on/off switch to on to arm the device.<br /> 3. if the protected entryway is opened while the product is armed, a loud 110db alarm will immediately and continuously sound.</p> <p>package includes:<br /> 10 x alarms</p>adhesive tapes