One transmitter and two receivers. If you are fed up trying to find lost items, then you need, WTR's key; remote finder Model KF2-222. If you lose your remote, keys, cell phone, pets or any other item, just push the button on the transmitter and the corresponding colored receiver will begin beeping! Its signal will penetrate through drawers, between cushions, pillows, or even walls making it easy to find lost items. Use it on your cell phone, remotes and keys or ipad! Included is a double-sided sticky adhesive, which makes it convenient for attaching the receiver to your remotes or any item you lose or you can use the included key rings. And you won't lose the transmitter, because Velcro is also included: attach the smooth side to the transmitter and the rough side to the back of the TV, side of the refrigerator or wherever it's convenient for you to store your transmitter. You won't have to look for the transmitter, as it will always be placed where you last stuck it! All batteries included! Operation: Press and continue to hold one transmitter button. May have to hold up to 5 seconds to "wake" up receiver from battery save mode. Listen/Look for receiver to beep/flash. Transmitter battery: 27A 12 Volt Receiver battery: (3Volt CR-2032), Specifications: Receiver distance: 60-80 feet Receiver volume: 85-90 DB Transmit frequency: 433.92 MHz