Description: 360 degree rotation of the screw head.It's more stable and reliable. Convenient to install.easy to use. small size, convenient to carry. Suction cup design make the holder attach to a wide range of surface. Padded side holds your device firmly,a good partner for a travel recorder Specification: Product name: Car video recorder suction cup mount Color:Black Material: Plastic Size: About 5.5 x 6.4 cm;4 mm screw The correct installation method for the suction cup bracket in winter: This suction cup uses a material silicone suction cup, which will harden in cold weather. This is normal. Don't worry, just follow the steps below and you can use it normally. The material silica gel is not added with softener. It is More resistant to freezing and more resistant to light! Step: Clean the car glass with detergent, and once again, clean the water, wait until the glass is completely dry, and then stick it. Tips: If the weather is too cold, blow the suction cup with a blower and attach it. Don't avoid: the suction cup will become soft when it meets the water. Remember not to use hot water to suck the suction cup. Do not have any water on the suction cup and glass! Package Included: 1 PC x Car video recorder suction cup mount Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3 cm measuring deviation due to manual measurement.