Features: Multi-mode detection: metal object, live wiring, wood. Quickly find the target by sensitive inductor. Integrated marking hole and easy to mark target. User-friendly skid-proof design, providing you with suitable using experience. Graphical LCD display, indicates mode, signal strength and battery. Specifications: Maximum Probing Depth: Ferrous metal: 120mm; Non-ferrous Metals(copper): 80mm; Charged Wire: 110-230 volts (in the pass through): 50mm; Wood: 38mm Switch Off Instruments with Inactivity: 3 mins Operation Temperature: -10~50℃ Storage Temperature: -20~70℃ Battery Type: 1x 9V 6LR61 (NOT included) Operation Time: About 5 hours Protection Class: IP54 Size: 22*9.3cm/8.6*3.6in Weight: 422g(approx.) Note: This detector has a large power consumption, so it is suggested to use a rechargeable li-ion battery as power supply. Package Includes: 1 x Detector (battery is NOT included) 1、Multi-mode detection: metal object, live wiring, wood. 2、 Quickly find the target by sensitive inductor. 3、Integrated marking hole and easy to mark target. 4、User-friendly skid-proof design, providing you with suitable using experience. 5、Graphical LCD display, indicates mode, signal strength and battery.