... in1multifunction gauge used integration design, which could achieve distance measurement, stud detection, laser mark, etc. Tool ... the wall.Features: Features: 5 in 1 Multifunction Gauge: Distance Meter, Wood Stud / Metal / Voltage Detector, Laser Marker· ... 2001 safety rule. Distance Measurement: Measures object's distance within 16m (2~53in) effectively. It has ultrasonic sensor aperture, Temperature ...