KPTEC Key Finder 5 Receivers, Wireless Remote Control Item Locator with Base, Indicator and LED Flashlight for Wallet, Keys, Pets, Phone or more mobile devices locate (White) This key finder comes with a transmitter with different color buttons and 5 matching color receivers. The item locator also comes with the batteries for the receivers and transmitter as well as key rings and double sided stickers for the receivers and a stand for the transmitter. This key locator is easy to set up. The batteries are already in the receivers so you just need to open the back of the transmitter and put the battery that is included inside. There is a tiny switch on the left side of each receiver to turn them on. Once they are on you just one-click the matching color buttons on the transmitter to pair each receiver. Once they are paired you will hear 2 short beeps. The transmitter has a long range of distance (about 10-30 meter/32-98 feet), it works well far up the 2nd floor or throughout the house. The controller includes a built in LED flashlight to help you look under your car seat for example when you can hear the beeping and you can't see it. The LED flashlight switch is on the side of the transmitter. This wireless wallet finder with 5 receivers, so it can find up to 5 items at once and help you to find the easily lost items, like keys, mobile devices, small case, wallets, TV remote controller, hats, glasses, umbrella, canes, pets and more.