【85% High Light Transmission & High-Precision Measurement】 This golf rangefinder is designed for golf enthusiasts, hunting, construction, mountain climbing, and various other activities. Utilizing an 85% high-light-transmission LCD screen and 6.5x optical magnification, it achieves fast and accurate measurements from 5-660 yards in 0.3 seconds. While measuring with high precision, it clearly displays the measured data. With IPX4 water resistance, you don't have to worry about sudden light rain. However, please avoid using it in bad weather or environmental conditions. All modes can be measured with two buttons, making it easy to operate, even for beginners. 【Pin Lock Function & Vibration After Pin Lock】 How to use: (Press the MODE button to select pin lock mode, and first measure the position near the flagstick. Then, long-press the power button, move to the pin, and the pin distance will be locked until vibration occurs. The data will be clearly displayed simultaneously with the vibration.) Only the pin lock function has vibration, and the measurement distance is 5-270 yards. Laser wavelength: 905nm (Class I laser) / Class 1 laser (invisible). Golf rangefinder size: 10*8.2*4cm, Weight: 146g 【Slope Measurement Function & M/Y Free Switching】 Accurately measures the distance to the target object even on courses with elevation differences. Accurately measures the distance including elevation differences, automatically calculating uphill and downhill distances, and accurately grasping the distance to be hit. Simultaneously pressing the power button and MODE button allows you to switch between meters (m) / yards (YD) display in 2-4 seconds. 【USB Charging, Independent Lens Design to Protect Eyes】 USB rechargeable, allowing charging anywhere. It's more environmentally friendly than battery-powered devices. No battery replacement is required, making it easy to use daily. Automatically turns off if no operation is performed within 20 seconds, preventing unnecessary battery consumption. The transmitting and receiving lenses have an independent design that protects the eyes. Included contents: Rangefinder body, dedicated case, microfiber cloth, Japanese instruction manual, charging cable, strap. 【Angle On/Off】 The angle switch is designed for golf competitions. When the angle is on, all modes can be used. When the angle is off, there are single range mode, speed measurement mode, golf flag lock mode, and memory mode.