The TLM330 packs a lot of function into a small package. According to its maker, the unit is capable of measurements of up to 330 feet to an accuracy of 1/32 inch. It can calculate volume and area, and indicate incline and level. Indirect measurements can be taken using three-point triangulation if linear ones aren’t possible. The last 20 measurements are stored for reference, and the unit has a backlit LCD display. Price: $250. COO: Hungary. 800.262.2161.