GeoMax ZAL100 Series Automatic Level (840356) Model Number: ZAL120 The GeoMax ZAL100 automatic level series are dependable, durable and economic tools designed for your daily leveling tasks in the construction site. With three different types of magnification in this series, a new ergonomic and solid-built design, and full range of accessories and services, the GeoMax automatic levels provide great quality at affordable value. Specifications: Accuracy: 2.5 mm Image: Erect Compensator: air-damped Magnification: 20x Field of View: