1.   Armed with a motion sensor in addition to fearsome voice-recognition capabilities, the Door Pass challenges any trespasser.

2.   Because the motion sensor operates on time-delay, the alarm gives three warning chirps if the computer is moved, shaken or tilted.

3.   Both countries are considering a U.S. offer to provide technical surveillance that could include motion sensors, satellite images and observation by unmanned aircraft.

4.   -- Make sure the alarm system can be adjusted so that motion sensors are not triggered by the movement of your pets.

5.   After dark, check such things as motion sensors.

6.   Children or indoor pets can make certain alarms or motion sensors a nightmare to deal with, so you may need a program with customizing options.

7.   Death will get us one way or another, no matter how many hidden cameras and motion sensors we install.

8.   Equipped with a crude motion sensor, packed with potassium chlorate and aluminum powder and covered with nails wrapped in duct tape, it ripped through the floorboards.

9.   For decades, security companies have been wiring houses with central nervous systems of motion sensors and computer controls.

10.   For added security, he plans on putting a motion sensor with a beep or a light on the window.