This all- round Rotary Laser is of high precision and professionally design. Have you used the Leica Rotary laser - Leica Roteo- 35G? If you have, then you will love Rotary laser RNR 500. It has the same design and similar specifications. High precision instrument with long range coverage - 350m ( radius). Horizontal accuracy - 1.0mm/ 10m, Vertical accuracy- 1.5mm/10m, Up beam accuracy - 1.5m/10m. Build to withstand shock from fall. Long battery working hours - 24hrs. Comes with remote control.