**Advantages**:
1. Multi-functional: Detects beams, studs, and other obstacles.
2. LCD Display: Allows for clear and immediate readings.
3. Centre Finding: Precisely locates the centre of studs for secure mounting.
4. Versatility: Suitable for various wall types and materials.
5. User-friendly: Intuitive interface for users of all skill levels.
Disadvantages:
Requires Calibration: Some users might find the initial calibration process tedious.
Accuracy: Might occasionally give false positives or fail to detect some materials.
Power Consumption: Heavy use may drain batteries quickly.
Learning Curve: Might take some time for beginners to understand all functionalities.
Problems & Solutions:
Problem: Difficulty in calibration.
Solution: Refer to the user manual or watch online tutorials for step-by-step guidance.
Problem: Inconsistent readings on textured walls.
Solution: Ensure the scanner is held flat against the surface and move slowly.
Problem: False positives when detecting metal objects.
Solution: Adjust sensitivity settings or ensure there are no metal objects nearby that might interfere.
Problem: Rapid battery depletion.
Solution: Invest in high-quality batteries or consider using rechargeable ones.
