MultiScanner Pro SL, With Metal & AC Detection, Finds Wood & Metal Studs From 3/4" To 1-1/2", Professional, AC Wire Warning Detects Unshielded Wire To 2", Metal Mode Locates Non-Ferrous Metal To 1-1/2" & Ferrous Metal To 2", Easy To Read LCD Screen, Spot Light & Audio Target Indicators, Uses 9V Battery Not Included.