High precision integrated molding process, rounded arc with 5 polishing and sandblasting, comfortable to hold, sweat resistant, and corrosion resistant Finger size, 13 mm body thickness, mini size fits comfortably in a pocket, easy to carry with you Wavelet rate algorithm enhances small signal processing capabilities. High transmittance LD receiving lens, aspherical collimated focusing lens, clearer focusing The high-definition backlit LCD screen adopts a high-definition backlit LCD screen, with clear and delicate display Material: aluminum alloy Color as shown Package Contents: 1 x tester 1 x hanging rope 1 x data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.