Features: A nice replacement gift for people who love outdoor activities like hiking, traveling, cam, backpacking, etc. Easy to use, just put the mini metal wheel on the map and roll it, the pointer would point to the precise scale. Quality metal and plastic for shell of map compass , for tough, wear-resistant, rainproof and durable. Lightweight and portable, with a mini metal replacement for easy holding. This rangefinder allows you to quickly calculate distance by measuring the distance between two points on the map. Specifications: Material: Metal+ABS+Acrylic Quantity: 1 pc/set Package Includes: 1x Map Compass note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.