Say goodbye to inaccurate measurements with tape measures or folding rulers, because this Kreator laser measuring device measures distances up to 20 metres to within 2mm. The device has an area, volume and Pythagorean measurement function and can also easily add and subtract. So you can easily calculate the amount of paint for your room or the space you need for your furniture. For the most accurate result, you can mount the meter on a tripod, such as the KRT706900. 2 AAA batteries are included. Manual supplied: Yes Pouch supplied: Yes.