A monitor used to measure or detect termite activity   is a product for detecting subterranean termites in your property. has a plastic top that opens and closes easily, the product allows for effortless inspection of the monitor. a wooden stake makes installation simple as well. a typical piece of residential property uses 10 or more of these monitors to cover the entire property, and as such, it is great to use after pre-treatments and inspections. cheap and easy to install the product works by luring foraging termites to the monitor with the wooden stake and a piece of card board allowing you to detect their presence and the severity of the infestation below the surface of the soil