Accurately detects metal, wood, and other hidden objects in wall for indoor decoration, drilling, and installation tasks Metal detector wall scanner helps avoid damaging pipes or frames with pinpoints positioning Features alarms when detecting objects, providing clear warnings without constant screen Wall scanner operate for efficient construction work Utilizes density variation technology with a 19mm detections depth and ±3mm accuracy, identifying objects as small as 1200mm² Metal detector ensures results for subtle anomalies Simple sampling and scanning with clear success/failure feedbacks via lights and sound, suitable for beginners Supports positioning for repeated accurate testing Lightweight body for effortless single hand use during renovations or repairs Metal detector is ideal for on site mobility