Draper distance measure stud detector with laser pointer draper 88988 this handy instrument has an easy to read lcd display for measurements and audio function when studs in walls are detected built in calculator works out areas volumes metre feet conversions distance range 600mm to 15m 2 50ft detects studs up to 19mm laser class iia pointer powered by a pp3 battery sold separately display packed draper 88988 distance measure stud detector with laser pointer