Find your key or any other items easily. Whistle or shout within 7 meters to make it beep and flash. Comes with a chain ring and installed battery. With ON/OFF Switch, remote control by sound. Small in size, portable and convenient. Descriptions: LED torch, convenient to look for the lock eye. Multifunction design, great gift for your loved one. Specifications: Features: Whistle, LED Torch, Keyring, Beeping