5.?How to install ?Fasten the clasp with screws Hold up on The Bike,If you need to remove the bike phone bag, you can remove it with just one tap. 4.? Widely Compatible? Phone holder for bicycle handlebars suitable for installation on bicycle, mountain bike, size compatible with 5.5'' - 6.7'' cellphones.Can accommodate mobile phones less than 10.55mm thickness with a case. 3.? Safe and Stable ? The bottom panel of the phone mount for bike is covered with shockproof silicone and equipped with a resilient base to prevent your phone from shaking and scratching.Three-sided locking design that ensure your phone is securely fixed on the bicycle cell phone mount even on a bumpy road. 2.?IPX6Waterproof ? The Bike phone mount built-in with waterproof silicone, fully enclosed design that can perfectly protect your phone in rainy days while riding. 1.? Touch Screen ? This waterproof phone holder for bike with HD high sensitive film window, allows you to fully access the phone screen without removing the smartphone. 360 rotation, you can adjust the angle of the bike phone holder freely.Size is 7.78*4.18*2.03" (19.76*10.56*5.15 cm).