Bullet Camera 550TVL then this is your answer

then this is your answer

Nokia 7 plus

52mm diameter

Samsung Galaxy AMP Prime

The suction cup is designed to have an extra strong hold on any smooth non-porous surface

Bullet Camera 550TVL then this is your answerIntroducing the complete range of high resolution bullet cameras from Bullet DVR. Specifically designed for use in Helmet Cam and Onboard Video applications, it is a truly unique and innovative design. Many features aren't available from competitors, these cameras are one notch above them all. High Resolution Color CCD Sensor: The range of cameras from Bullet DVR are available in various resolutions, from 450TVL (TV Lines) all the way up to 580TVL.