KM-D800H Golf Rangefinder with Slope, 6X Rechargeable Laser Rangefinder with Charging Cable, 800 Yards Flag Lock, Slope On/Off, Continuous Scan Support - Tournament Legal Golf Rangefinder 800M

SKU: GW56.0024

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No, that's not the case. There is an area on the back of the rangefinder where you can screw. But I'm not sure what accessories it should be used for. 
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The battery has a capacity of 750 mAh and can be used 3,000 to 5,000 times after fully charged. Under normal use, a single battery can be charged 10,000 times. 
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Press and hold the power button and function button at the same time to switch units 
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It is a laser rangefinder, so it is a laser distance, not a GPS 
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That is the case, and there are also yards and meters.