600 Yards Pgm Golf Rangefinder Telescope Electronic Rechargeable Ip54 Waterproof White Black Red

Features:
One key to switch slope compensation. When the slope is positive, it is recommended that the hitting distance be greater than the actual target distance. When the slope is negative, the hitting distance should be closer

Name: Golf Rangefinder

Material: ABS
Weight: 180g
Size: 11.5 x 7.5 x 4.5
Focusing method: eyepiece focusing
Field of view: 7°
Diopter: ±6°
Telescope magnification: 7X
Unit of measurement: yard (Yd) meter (m)
Objective lens aperture: 21mm
Measurement error: ±0.3(Y)
Eyepiece aperture: 15mm
Exit pupil diameter: 3.7mm
Functions: Slope compensation, speed measurement, distance measurement, flag lock vibration reminder
wavelength: 905nm
Battery: N polymer physical battery (750ma)
Charging time: about 3h
Ranging times: 30,000 times of continuous ranging when fully charged

Packing list:
Golf Rangefinder x 1
Storage box x1
Charging line x1
Instruction x1
Wiping cloth x1
Rope x1
Note:
Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.