Wall Detecting Function: Metal Detection/ Wooden Detection/ AC Power Detection.

Metal Detection: Magnetic metal120mm (stain , iron), Non-magnetic Metal100mm (power cable ,copper pipe ).

Wood Detection: Detect object such likewood, nail,pipe for wireetc under sheet rock,naked wooden floor,Plastic plate.

AC power detection: 50mm, AC 90V~250V detectpower supply.

Laser Distance Meter Function: it can measure length,scale, volume, carry calculation for plus-minus,times for volume.

Detect metal (Stainless steel , copper / aluminium pipe), power cable,wooden product behind wall, ceiling, ground floor.