The Map Compass with Mirror and Adjustable Declination Tool will help you find your destination. The luminous points, map and guide magnifying lens, and red orienting arrow allows for easy reading. Also offers an anti-slip base plate, a clinometer, and 1:24,000 scale and 1:50,000 scale.Adjustable declination toolLuminous points, map and guide magnifying lens, and red orienting arrow allow for easy readingAnti-slip base plateProvides clinometer1:24,000 scale and 1:50,000 scale***WARNING: This product can expose you to chemicals including lead or DINP, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.***