High-power signal works through walls and floors.
Locate your keys quickly up to 30 meters away.
Operation:
1. Attach the color-coded receivers to your frequently lost items with the key rings or stickers or clips.
2. Press the corresponding color-coded button on the tumbler remote control.
3. Follow the beep sound to find your lost items.
4. If no beep is heard, change your location or use new batteries and press the button again.