Variable settings allow measuring from either the front or rear edge of the tool and the Min./Max. function allows continuous measurements. The body is fitted with a soft grip, making it comfortable to handle. For safety the laser beam is only activated after the switching on operation is repeated. It switches off automatically after three minutes without being used. Ideal for measuring areas on building, restoration and renovation jobs, also for landscaping the garden or for the accurate measurement of work pieces in the home workshop. Supplied in a practical bag for storage. Specification: Accuracy: ±3mm. Operating Range: 0.5-25m. Power: 2 x AAA batteries (not supplied).