... .Locate your forgettable article quickly. Feature for remote key finder:1) 1 Transmitter with one button and 4receivers2) Locates your forgettable articles quickly ... baggage, TV remotes, PDA, eyeglasses, and wallets from losing4) Prevent valuable and belongs from being left somewhere5) Remote distance: 60-80 feet6) 90 ... ), one A27, 12V (transmitter)9) Battery life: 3-6 months Remote key finder