Outdoor hunting engineering measurement special 400 meters golf rangefinder single telescope

401 range finder Model: CJY - 401 Net weight: 158 g Total weight: 395 g Multiple: 6 Battery: CR2 3 v voltage: Measurement unit: code (yd), meter (m) Objective lens diameter: 24mm Eyepiece diameter: 16mm Exit pupil diameter: 3.8mm Ranging mode: laser emission Focus mode: eyepiece focus, rotary focus Size: 106 x67x37mm Ranging range: 5-400m Ranging error: plus or minus 1m Packaging content: 1x laser rangefinder 1 x 3 v CR2 batteries 1 x nylon bag 1 x user manual 1 x hang rope 1 x mirror cloth