The Lawmate Covert Spy Camera Headphonesis the perfect covert accessory. Now, you don't even have to be looking where you want to record in order to get perfect covert video. Simply place the earphone in your ear and begin recording everything beside you without drawing any suspicion. It can easily connect to your existing, standalone, portable DVR unit or a home-security setup. The analog 2.5mm can connect directly to a DVR or to RCA connection using the included adapter cables and battery power pack.