Wirelessly helps you locate easy-to-lose items such as keys, phones, wallet, remote control, MP3 player, pet, purse, and much more * Includes 2 key chain style receivers, 2 thin-plate receivers, a 4-button key chain radio frequency transmitter and a complete set of extra batteries * 4-button color-coded transmitter allows for easy identification of each separate receiver * Wireless signal locates items from 60 to 80 feet away, even through couch cushions, walls and floors * Receiver beeps at a loud 95 decibels, helping you locate your missing item easily and accurately