ZJchao 2 in 1 Car Sun Visor Glasses and Night Vision Goggles Extender for Day & Night Driving Sunglasses with night vision goggles two combined into one: greater functionality, easier to use, more space-saving Reflections caused by reduced snow visual stimulation, to prevent snow blindness disease Lift the vehicle using the sun visor on the backlight driver vision obstruction problems, increasing the effective field of visio Filter harmful light, reducing light pollution caused by eye diseases, protect the visual health Magical effects, endless visual,Dimming outside mirror according to an instant auto-dimming light intensity