MATERIAL: This pocket compass is made of high quality pure copper shell, durable and firm.-LUMINOUS FUNCTION: This navigation compass can be luminous after absorbing light, suitable for using during both day and night. Note: there is no luminous effect without exposure.-PRECISE POSITIONING: Distinguish the direction and fix your position, give you a right direction whenever and wherever you are.-PORTABLE SIZE: The diameter of this small compass is 4.7cm, cute and convenient to carry.-MULTI-FUNCTION: Excellent for hiking, camping, orienteering and other outdoor activities. A perfect outdoor navigation tool or a collection gift for kids, family and friends.-Colour: gold-Product includes: 1pc-Size: 49mm diameter, 16mm height-Notes:-Please allow 1-3cm error, due to manual measurement, please make sure you don't mind before bidding.-Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you for your support