Features:ABS material, high toughness and durability.Fit glass,suitable for most motorcycle and electric vehicle helmets.Fuselage waterproof upgrade + stable intelligent system.800 mAh battery ,6 hours of battery life2-speed change switch, button, one key switching.The swing range is 170 and the spring design is perfect. It fits the radian of the mirror and is clean when scraped.The telescopic support can adapt to the minimum mirror height of 12cm and can be extended by 2cmSpecifications:Color: blackMaterial: ABSCharging power: 5 V 1ARated working voltage: 5VRated power: 2WBattery capacity: 800 mAh (6 Hours)Package Contents:1X helmet electric wiperOnly 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.