A stopwatch LED display screen is added, which can more accurately indicate the intensity of the signal source. Easy to operate, small dimension and portable solution unit. Built in 400mA rechargeable LION battery, operation time up to 6 hours for lens detector and up to 15 hours for RF detector. A new generation of K18 detector is made of alloy. Adjustable lens detector mode with different flashing frequency. See the seller's listing for full details. K18 Wireless Signal Detector, RF Bug Finder, Anti Camera (10003371) Description:1. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging isĪpplicable).