- Wedge-shaped design alarm stops intruder from opening door<br />- Adjustable sensitivity switch prevents tampering (Hi/Mid/Low)<br />- 120 dB Alarm when activated<br />- Pressure on door stop activates alarm<br />- On/Off switch to activation<br />- Powered by 1*9V battery (not included)<br />                                                                                                                                Dimensions: 5.43 in x 1.77 in x 1.54 in<br />Weight: 4.69 oz