Cideros Wireless Item Locator Remote Control Key Finder Set Anti-lost Smart Tag Beep Alarm Keyring Keychain with 1 Transmitter and 2 Receivers for Key/Pet/Wallet/Cell Phone Locates lost keys and other missing items quickly with just one touch of the transmitter button; Perfect for senior citizens, mothers of young children and busy employees in a hectic working environment. Pre-programmed for immediate use with corresponding color coding on transmitter and receivers. Receivers beep with a sound volume of 80-90 dB effectively indicates the location of lost objects. Item finder with advanced RF 433MHz technology; boasts a range of up to 15 meters. The transmitter is also a special kind of decoration, good display for tea table, TV bench, bed, computer desk, or bookshelf.