1. Material: Acrylic 2. Weight: 26g 3. Size: 72x51x10.5mm 4. Functions: basic positioning, map positioning, lateral azimuth, deflection angle, measuring the width of the target object, etc. 5. Scope of application: mountaineering, camping, hiking, etc. 6. Transparent material, clear scale, easy to measure. 7. It can be tied with a lanyard, and it can be hung around the neck or in a place that is readily available when it needs to be used frequently and both hands are occupied.