Introduction :With this thing finder， you will never bother to find the things that you always forget where you put. You can wear it with anything you want. It is also very easy to use.RF wireless remote control electronic key finder， which is environmental and have no radiation.Helps you find your keys， purse and mp3 easily.Great for household and travel useLong battery service time and working distanceWith key rings for convenience and portabilityReceivers and transmitter are light and small， and easy to carry around and operateSuitable for: :Any key， wallet， cell phone， lovely doll， your pets etc.Some elder person who's forgetful.How to Use:Match:Turn up the chain's switch to 'ON' position， it will beep constantly ("dee...dee...")， and press one certain button on the transmitter， so receiver will stop beeping when it match with the button.Use a pen or needle to turn on the first receiver， it will beep constantly("dee...dee..."). Then push one certain button on the transmitter， LED on and the receiver will stop beeping after matching.LED on the transmitter will light on for a few seconds(about 4s).Make sure it is off， and you can match the rest receivers to the other buttons.Note: Please match the receiver one by one， avoiding that one button match several receiversFind：When you want to locate the lost things， just push the corresponding button， when you are searching in the right direction and in operation range， LED on the transmitter will on and you will hear alarm within 0.5-2 seconds (according to the distance)， the alarm will last for 4 seconds and then stop.Note: Operation distance of this item is 20m indoor， 20~30m in open spacePackage Includes :1X Transmitter5X Receiver (Orange， Black， Red， Pink， Blue)1X Plastic Bracket1X Battery1X English Manual