JTD  Wireless RF Item Locator/Key Finder with LED flashlight and base support. With 4 Receivers Key Finder-Wireless key RF locator, Remote Control, Pet, Cell, Wireless RF Remote Item, Wallet Locator. (4 Receivers) Includes 4 receivers, one transmitter and key rings with a 75-130 feet range. The loud beeping sound & flashlight on the the receiver will lead you to your lost item Low consumption and long standby time with stable frequency technique.Wireless search that easily penetrates though walls, cushions and doors with a push of a button. Lifetime technical support from the manufacture and 1 Year Manufacturer Warranty from JTD WARNING: This item contains small parts. Please keep it away from young children. Other Tips: Rotate battery cover to ''ON" position to remove the cover, and rotate to "OFF" position to latch the cover.