, , . , , . The device is a high-thech portable machine,combining the functions of Telescope and laser range fingers,it changes the distance measure ways and also improves the efficiences. The device can measure the distance and the peed whileshowing the clear imagesand have some advanges such as high precision,short ranging time,visual display,low consumption and auto power-off. The device is safe to the eyes and the body by using 905nm laser and multi coating lens,and it can be used in several fields like the electrictity,the safe guard,the golfand the forest. Before operaations,please turn the body until the images through the two eyepieces focusing on one object,and then adjust the eyepieces unyil the images are clear.to glaes wearers,please remove the glaes or adjust the eyepiece cups. Magnification:6XObjective Lens: 24mmMaximum Distance Range: 600m -1500MMinimum Distance Range: 5m / 5 yardAccuracy: 1mField Angle: 7.5Speed Range: 300km /hWave Length: 905nmPower Supply: CR2 3.0V batteryItem Size: 123 * 77 * 43mmItem Weight: 187g / 6.6ozPackage Size: 120X75X41mmPackage Weight: 162g Package List:1 * Laser Rangefinder1 * Carry Case1 * Cleaning Cloth1 * User Manual (English) 1* Battery CR2 3.0V