ElementDigital(TM) Electronic Alarm Remote RF Wireless Key Finder Wallet Pet Purse Seeker Locator Find Lost Things Key Tag Key Pendent One Loactor One Receiver Radio Frequency Range Indoor:59 feet,Outdoor:98.4 feet) With key rings for convenience and portability Long battery service time and working distance Helps you find your keys, purse and mp3 easily 59 foot radio frequency range penetrates walls and cushions Both receiver and transmitter are light and small, and easy to carry around and operate.