Metal Detectors Shinwa

It detects metal, wood, and plastic behind walls and notifies you with lights and electronic sounds. Detection depth of detected object: approx. 35mm Power source: 1 9V alkaline battery (The included battery is for monitor use and may have a short lifespan.) Usable wall materials: plywood, gypsum board, reinforced gypsum board (not available depending on type) Detectable materials: wood, metal (no longer able to distinguish between wood and metal)

Detectable wall thickness (needle): 35mm Detectable wall thickness (magnet): Wall thickness 13m, ceiling thickness 12mm Country of manufacture: China Easy to grip and fits in a waist bag Comes with a scale so you can see the approximate thickness of the wall you are piercing. You can switch the lock with one hand, so you can work smoothly. Two replacement needles are included inside the main unit. Designed to prevent the needle from accidentally popping out