Features: Premium MaterialMade of high-quality zinc alloy + ABS, pressure resistant and drop-resistant, stable and durable structure.Back slope table engraving design,convenient for the distance measurement. Feng Shui CompassCompass hiking with Feng Shui twenty-four mountains, can be used for residential and commercial site selection, militarily, cemetery site selection and so on. Durable for Versatile UseDual calibration chains, more convenient to open and close, more durable to use.Resistant to high and low temperatures, high accuracy and strong stability, can be used for hiking,outside survival, mountaineering, tourism and adventure,ect. Accuracy SightingWith clear lens and special process: reading lens focus placed at the shim, so that the focus and shim position close to the overlap, to ensure that the reading is clear, the accuracy rate of up to ± 1. Practical Design360 degree rotatable dial, high sensitivity, high rotational accuracy and low friction, makes the dial does not lagging. Hiking gear with level meter,side scale display, more convenient for distance measurement. Waterproof Luminous DialCompass hiking survival with night vision (need to absorb the light source first, then will glow in the dark),easy for all weather use.Waterproof dial not afraid of wet and rainy days. Specifications: Color: Green Material: Zinc Alloy + ABS Fold Size: 85 * 63 * 30mm / 3.3 * 2.5 * 1.2in Expand Size: 162 * 63 * 20mm /6.3 * 2.5 * 0.8in Item Weight: 175g / 6.1oz Package Size: 110 * 80 * 45mm / 4.3 * 3.1 * 1.7in Package Weight: 218g / 7.6oz Packing List: 1 * Feng Shui Compass 1 * Lanyard 1 * Carry Bag 1 * User Manual