brand new and high quality. Multifunction: 1. Thermometer: Measure the ambient temperature. (-20-60 C) 2. Hygrometer: Measure the relative humidity of the environment. 3. LED lights: convenient for you to use at night. Replace the battery: (1) remove the magnifying glass and ruler (2) loosen the three screws (3) replace the battery 4. Reflector: Ask for help in the countryside, reflect the for sun, and send a bright signal. 5. Spirit level: determine the level condition 6. Compass: Measurement of magnetic azimuth (the relative function of the compass to acquire data at the horizontal and vertical levels.) 7. Whistle: Call for help in the countryside, send a signal, (use the tappet to push the whistle from the third hole on the left) 8. Magnifier: Find a coordinate on the map. 9. Ruler: Measuring distance. Color: army green Material: ABS plastic Size: 8*4*2.5cm Weight: about 60g/2.12oz Quantity: 1pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm 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. Thank you! Package includes: 1 Multi-function Compass