Product name: Golf electronic rangefinderDetailed product description:Do you like playing golf? Do you like outdoor activities? Please take a look at this newly launched small digital distance meter/golf observer!!!She is also a good gift!!!Designed for golf, it accurately measures the distance between players and holes.I. FeaturesThis is a newly invented golf observation instrument that uses precision optics and digital technology to measure distance. It is a very safe distance testing device. It does not emit any form of energy and does not cause any damage or damage to the human body during distance measurement.II.Two or two functions1. GREEN MODEThis function is specially designed for golfers. You can easily get the distance between your holes2. GENERAL MODEThis function is suitable for ordinary situations. First, you can enter the height of the target to measure the distance between you and the targetIII. Component Name1. Switch/adjustment key2. Function keys3. Installation position of battery4. Peep hole5. Objective lensMain parameters and indicators:Objective lens: 28mm;Eyepiece: 16mm;Resolution: 13 ;Magnification: 7 times;Maximum test distance: 930 yards (1 yard=0.914 meters)Visual angle: 7.8 ;Power supply: use two cr2032 button batteriesVolume: 90mm 50mm 38mm;IV. Usage1. Pre the switch/adjustment key to start the instrument, and the safety will directly enter the plateau function2. When playing golf:The height of the ruler in yards (2.6 yards) is entered(1) Align the screen line with the horizontal line of the pad(2) Pre the switch/adjustment key to raise the position of the scan line to the top of the golf flagpole(3) The number will appear at the top of the screen, indicating your distance from the hole3. Distance used to measure special targetsWhen the function key is preed, the instrument will enter the general function state, and the screen will display three digits and one decimal pointIf you want to check the distance between you and the target, please enter its height(1) Pre the switch/adjustment key to enter the general function status, and the screen will display three digits and one decimal point(2) Pre the function key to move to ten digits, and then pre the switch/adjustment key to enter the number, the range is also 0 to 9.(3) Repeat the above steps to set each digit and one digit below the decimal point.(4) Pre the function key to end the above input proce.(5) Depending on the height you entered, the screen displays the distance you can measure.(6) Align the screen line with the target line.(7) Pre the switch/adjustment key to raise the position of the scan line to the top of the target.(8) The number will appear at the top of the screen, indicating the distance between you and the target.V. Precautions1. The displayed distance is consistent with the entered height unit.2. The power is automatically switched on and off 60 seconds after the operation.3. Attention! Please do not use this product to observe the sun with naked eyes, which will cause permanent damage to your eyes.Packing specification: 50 pieces per boxDimensions; 35*29*24.8cmWeight: 6.5KG