BlackOut Bed Bug Detector (12 pk) EFFECTIVE - A course exterior wall maximizes the chance that bed bugs will crawl up the device and be trapped in the inner walls EASY TO USE - Easy to install and inspect, maintenance free. Place the detector under the legs of your bed VERSATILE - Able to use in any setting or environment, proactive or reactive applications DISCREET - Easily blends into any setting or environment to allow the monitoring of bed bugs in unoccupied spaces, like guest rooms DURABLE - Enhanced mold design and plastic to ensure maximum durability for even the heaviest of furniture