Specifications of rotating lasers
| VERTEX | HORIZON | |
| Usage: | Horizontal, single and dual* slopes (* with Dual Grade Slope Adapter only) | Horizontal |
| Range: | 500 m diameter | 1000 m diameter |
| Slope Range: | 0 - 25%, in 0,01% increments | - |
| Rotation speed(s): | 600, 900 and 1200 rpm | 600 rpm |
| Compensation type: | Servo-motor | Wire hung, air damped |
| Self-leveling range: | ± 4° | ± 10' (arc minutes) |
| Horizontal accuracy: | ± 10" (± 1,5 mm in 30 m) | ± 10" (± 1,5 mm in 30 m) |
| Height of instrument alert: | YES | YES |
| Leveling method: | Automatic | 3 screw leveling base & Bullseye bubble |
| Power source: | 4 x "C" cell alkaline batteries | 4 x "D" cell alkaline batteries |
| Battery life: | 70 hours (at 600 rpm) | 80 hours |
| Laser type & class (IEC 825): | 670 nm visible red, class 3R | 670 nm visible red, class 2 |
| Tripod mount: | 5/8" x 11 | 5/8" x 11 |