Outdoor Handheld Rangefinder 600M Golf 8X Rangefinder Telescope Rangefinder                8x optical lens, high transmission prism, IP54 safety protection, lock target, one-key measurement. It is suitable for many occasions, such as mountaineering off-road, golf course, electric power survey, building construction survey, etc. Measurement mode ranging, scanning, angle measurement, height measurement, speed measurement, golf mode.     Instructions: Single measurement: press the launch key once, the instrument displays the distance measured this time; Continuous measurement: long press the launch button to scan, the instrument will display the current measurement distance in real time;     Distance test mode: During distance measurement, due to the influence of angle (A or -A), the measured value is the distance from A to B or C. Always press the power button without letting go, then press the mode button, and then release the Open two buttons to enter scan mode;     Test mode: The distance difference between the two distances of the moving object divided by the time interval between the two sides is the speed of the object moving.          Product name: Tester     Ranging range: 5-600m     Magnification: 8X     Ranging accuracy: +/- 1M (Y) +/- 0.1%     Exit pupil diameter: 4.1     Measuring height and angle: +/- 90°     Angle measurement accuracy: +/- 0.5°     Objective lens diameter: 25mm     Lasering type: 905 nm, semiconductor lasering     Instrument size: 117x42x79mm     Working temperature: -20~50℃     Focus Mode: Manual Focus     Tripod mount: yes     Battery Type: CR2 3v (without battery)     Scanning function: yes     Auto-off time: 20S     Colour: White     Material: ABS          Package Contents:     1 * Rangefinder     1 * English manual          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.