IMAGE Electronic Key Finder Purse MP3 Wallet Cellphone Finder with 5 Receivers - RF Wireless Remote Control Long battery service time and working distance, great for household and travel use. RF wireless remote control electronic key finder, which is environmental and have no radiation. Both receivers and transmitter are light and small, and easy to carry around and operate. Suitable for: Some elder person whos forgetful. Package Includes: 1 X Transmitter,5 X Receiver (Orange, Black, Red, Pink, Blue);1 X Plastic Bracket;1 X Battery;1 X English Manual