The device in the image is a Hilti PD 20 Laser Range Meter, a professional tool designed for high-accuracy distance, area, and volume measurements on jobsites. Key Features and Functions Measurement Capabilities: It can perform single and continuous measurements. It features an integrated calculator to instantly determine area and volume.Pythagoras Mode: Includes a "Pythagoras" key to measure heights of inaccessible structures, such as utility poles, provided a \(90^{\circ }\) angle can be established.Memory: The device can store and recall the previous four measurements.Design: It is built for rugged jobsite conditions, features an easy-to-navigate keypad, and includes a handy spike for measuring from difficult spots like corners.Power: It operates on two AA batteries.
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