YP500 telescope rangefinder parameters: 
 Model YP500 
 Working range 10-500m 
 Ranging accuracy of ± 1m 
 Ranging display LCD display in the field of vision 
 Objective in multiples of 6 times 
 Objective lens diameter 25mm 
 Vision 1000m Department for 122m 
 Objective type TrueOptics multi-coated 

 Operating temperature -20-50 ℃ 

 Use humidity = 80% 

 The exit pupil diameter of 3.8mm 

 The pupil distance 12mm 

 Laser type semiconductor laser ranging (for eye-safe) 
 Focus ways eyepiece focusing 

 Ranging mode standard, RAIN, RELF,> 150 
 Power supply CR-2 batteries (3V) 
 Overall size of 99 × 65 × 38 mm 
 Net Weight 180g