Feature: 1. Working Process: The underground wire locator detects breaks and shorts in underground cables and wires buried in wall or deep inside. 2. Flashlight Function: The underground wire detector has a built in flashlight function and can also work in dark environments with adjusting sensitivity. 3. Distribution Current Circuit: The wire detector detects fuses and distributes current circuits to track outlets and junction boxes with built in AC DC voltmeter function for linear measurement of 12 to 400V AC DC voltage. 4. Multifunctional: Underground cable locator detects installed metal water pipes and metal heating pipes, both transmitter and receiver display power level, coding, battery, type and value of voltage detected and high voltage alarm. 5. Widely Used: Wire detector is widely used in building pipes, communication cables, power supply lines and electric heating line maintenance, and is an indispensable tool for maintenance personnel and households. Specification: Item Type: Underground Cable Tester Material: ABS Receiver Battery: 3.7V Lithium Battery x 1, Battery Capacity 1400mAh (Receiver Shipping With Built In Battery) Transmitter Battery: 3.7V Lithium Battery x 1, Battery Capacity 1400mAh (Transmitter Shipped With Built In Battery) Transmitter Technical Parameters Output Signal: 125kHz External Voltage Identification Voltage Range: DC12-400V ± 2.5%, AC12-400V (50-60Hz) ±2.5% Display: LCD With Function Display And Bar Graph External Voltage Dielectric Strength: 400VAC or DC Maximum Overvoltage Category: CAT III 300V Power Consumption: Minimum Current 80mA, Maximum Current 300mA Fuse: F0.5A 500V. Approx. 6.3 x 32mm / 0.25 x 1.26in Altitude: Maximum 2000m Receiver Technical Parameters Tracking Depth: Tracking Depth Depends On The Medium And The Specific Application Unipolar Application: Approx. 0-1m Bipolar Applications: Approx. 0-0.5m Individual Return Line: Up To 2.5m Grid Voltage Identification: Approx. 0-0.4m Display: LCD, With Function Display And Bar Graph Altitude: Up To 2000m. Package List: 1 x Transmitter1 x Receiver1 x Instruction Manual2 x Test Pen2 x Test Line2 x Crocodile Clip1 x Ground Rod Line1 x USB Charging Cable1 x Cloth Bag