This new security device is simple to use. You simply look through the lens and the flashing red LED lights will spot even pinhole-sized spy cameras inside clocks, lamps, picture frames, phone chargers, fans, electrical outlets, DVD players, air fresheners, and more. The rechargeable Spy Spotter is the perfect travel companion, once you are sure your room or rental is free of spy cameras you can hang it on the door and use the motion detection feature to alert you if someone tries to enter. When traveling to and from your destination this feature can also be used to protect your luggage, laptop, or anything of value. If the object has moved an alarm will sound and red lights will flash, scaring away the thief and alerting you. compact lightweight rechargeable Motion Activated Alarm charger included Streetwise Hidden Camera Detector SPY SPOTTER Black Included Items: Spy Spotter, Lanyard, charger & instructions. Dimensions: 0.5 inches (H) x 1.7 inches (W) x 3.2 inches (L) Weight: 1.2 ounces Note there are NO “totally” effective do-it-all spy detection devices. When you are in unfamiliar places that are susceptible to snooping such as a hotel room, change room or toilet room use your device and your gut to tell you if you think this is a private location.