Zircon StudSensor pro LCD Edge Finding Stud Finder: * Easy-to-read LCD display screen * WireWarning alert detects hot electrical wiring * DeepScan mode finds the edges of wood, metal or joists up to 1.5" deep * SpotLite pointing system shines a beam of light on the wall to identify the target * TruCal instant calibration * Over the stud indicator * Easy to use * Zircon Stud Finder enables fast stud finding * Detects hot unshielded AC voltage * Features patented DeepScan dual sensitivity Scanning * Features over-the-stud indication and TruCal instant calibration * Electronic Stud Finder senses changes in subsurface densities to pinpoint studs and joists