<b>The bubble level can improve its accuracy and decrease its errors; Special design of fluorescent light allows you to read data in dark environment after absorbing enough sunshine.</b> <br><br> <b>Waterproof and shakeproof compass: Suitable for motoring, boating, camping, mountaineering, exploring, hunting and other outdoor activities. Can be used for positioning, orienting on a map, outdoor Activities and so on.</b> <br><br> <b>Compact Size:</b><br> Compact size and light weight(approx. 7*5.2*2.5cm / approx. 175g / Lanyard: 18"), easy to handle and carry. <br><br> <b>High Strength Engineering Metal:</b><br> Made of high strength engineering metal, which is capable of working under extreme weather condition. <br><br> <b>Features:</b><br> Thermo-elastic liquid-filled capsule with floating dial.<br> Rotating bezel ring.<br> Ruler units on the sides measuring inches & centimeters<br> Built-in bubble level.<br> Tripod screw hole on base.<br> Adjustable diopter sighting lens.<br> Sighting lines on cover.<br> Conversion chart for angle, gradient & distance on back plate.<br> Heavy-duty and sturdy<br> <br><br> <b>Package included:<br> 1 * Eyeskey Lensatic Compass (with Pouch & Lanyard)<br> 2 * User guide in English<br> <br><br> Tips:<br> <b>1. The compasses are not allowed to be too close to the magnetic field as the accuracy of compasses will be affected. Kindly please away from magnetic fields while using.</b><br> <b>2. Phosphor powder can be seen under the irradiation of natural light, fluorscent light or UV light. The longer hours the exposure, the more durable the luminous effect. There is no luminous effect without light. </b><br> <b>3. All our products have been covered with LIFETIME WARRANTY plus 30-day money back guarantee: You can apply for return without any reason within 30 days.</b>