±0.04 in at 33 ft. Operating range with laser receiver (diameter). Self leveling range at room temperature. Inclination setting X-axis - range. 15 - 8.6 %. 0 rpm, 300 rpm, 600 rpm, 1200 rpm. No return accepted for satisfaction unless the customer assume the return charge. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Levels & Surveying Equipment\Levels & Autolevels\Rotary Lasers". The seller is "instantcomptantnet" and is located in this country: CA. This item can be shipped to United States, Canada.