The liquid crystal transparent window is super-strength tempered glass, with viewing angle, higher light transmittance and clearer picture. Backlight brightness 5-level adjustment: Set the backlight brightness according to usage habits, level 1 is the darkest and level 5 is the brightest Up to 9 gears control: the number of gears can be set according to the demand 3/5/9/UBE gear 6km power-assisted push function IP65 waterproof grade, proof, not in the rain for a long time. USB charging lets you freely. Product name: 860C LCD instrument Battery powered: 24V/36V/48V/52V Off leakage current: Less than 1uA USB charging port: 5V 500mA Waterproof grade: IP65 Level 9 support: level 3/level 5/level 9 support Operating temperature: -20~70 Colour:black Material:ABS+PC Package Contents: 1 x Meter 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.