Hosaire Car Clock Digital Transparent LCD Display Smart Applied Electronic Clock with Sucker Dial using liquid crystal liquid crystal display time, very clear The back of the clock has a sucker, can be firmly adsorbed on the surface of the liquid crystal and the operating clock surface Smart black with an easy-to-read LCD screen and large digits so you can tell the time and date at a glance when you're on the move Powered by 1 x LR 44 battery Strong Secure Self adhesive pad for fixing to dashboard