Click 'n Dig Model E4 Key Finder. 4 Receivers. Wireless RF Remote Item, Wallet Locator Total 4 stylish, brightly colored receivers. 2 Key Ring Shaped and 2 Flat Receivers. New and Improved Model with Brighter Colors, Smaller Size and Sturdier Built 1 RF transmitter with 4 colored buttons. Extra Batteries and Thin Double Sided Adhesive Tape Included. Full 12 Month Warranty on the product, including the batteries All Receivers have flashing LED light as well. Click N Dig Products are FCC certified.