MAX DETECTION DEPTH: Metals:120mm; Non-ferrous Metals(Copper): 100mm; AC Wire: 50mm; Single-strand copper wire: 40mm; Wooden 2 modes choices: Precision mode:20mm; Depth mode:38mm AUTOMATIC RING DOWNï¼?After 5 minutes ofinactivity; POWER SUPPLY: 300mAh rechargeable lithium battery Tpye-C Charging PRODUCT SIZE 138*68*22mm PRODUCT WEIGHT 122g PACKAGE SIZE 203*98*45.5mm