MD20 3 in 1 Portable Wall Stud Tracking Sensor Professional Wire Cable Tracker Metal Pipe Locator Detector Tester Line Tracker Timber Stalk Fnder with Whistle

Features: 1, three types of material detection mode (metal / wood / charged wire) 2, one-button operation 3, low power consumption, long use time 4, shockproof, anti-fall, waterproof and dustproof 5, handle anti-skid design 6, with physical level bubble Specification: LED indicator work: support Quickly locate the stem center position: support Detection stem range: 0-5cm Detecting the range of energized wires: 0-5cm Detect power wire alarm: support Automatic calibration: support Dry battery: 4 X AAA (not included) Dry battery life: 48H Product size: 137.5 X 152.5 X 37.5 mm Package includes: 1 X Wall Tester Details pictures: