Feature: 1. EASILY CATCH AND LOCK: Lock first target, and the subject to be measured is easily catched. Suitable for outdoor activities and measurement such as golf, hunting, etc. 2. REDUCE LIGHT REFLECTION: This coating can improve the light transmission performance of the K9 crystal lens and reduce the reflection of light, allowing more light to enter 3. HEIGHT OR LEVEL MEASUREMENT: Telescope rangefinder can provide indirect measurement of height or level, no fear of environmental challenges 4. WIDE APPLICATION: Widely used in power equipment installation, highway, municipal engineering, forestry survey and design, building construction, network planning survey and design, communication maintenance, etc. 5. FAST WITH HIGH ACCURACY: Possess the characteristics of high measurement accuracy, short ranging time, intuitive distance display, low power consumption and automatic power off Specification: Item Type: Telescope Rangefinder Model: SW-M700 Material: ABS Battery: 3.7V 750mAh Li-ion lithium battery Uses: Suitable for outdoor activities and measurement such as golf, hunting, electricity, forestry, etc. Basic Parameters: Measuring Range: Approx. 3 ~ 700meter / 9.8 ~ 2296.6ft Unit: M, Y Measurement Response Time: <0.5s Telescope Magnification: 6X±5% Field of View: 7.0°±5% Objective Lens Aperture: Approx. 19mm / 0.75in Eyepiece Aperture: Approx. 15mm / 0.59in Exit Pupil Diameter: Approx. 3.7mm / 0.15in Diopter Adjustment Range: ±6° diopter. Package List: 1 x Instrument1 x User Manual1 x USB Cable1 x Carrying Bag1 x Lanyard Note: 1. Do not touch the lens surface with your fingers to avoid damaging the film on the lens surface.2. Please gently wipe the lens with a lens cloth, do not use other objects to wipe.3. When carrying, avoid collision or heavy pressure.