Programmable LED Matrix Panel Flexible LED Car Sign Screen Display Animation Message Scrolling Sign APP Control for Cars Party. Product name:smart led pixel screen;pixel art Case material: pc+abs Led color: rgb Product power: 10w Waterproof rating:ip65 Power supply: usb 5v/2a (please use 5v-2a adapter, Otherwise it will lead to insufficient power supply, The product can not work properly) worthy of displayingturn your road rage into road respect with led signs it #x27;s a great potential of de-escalating conflict between individuals and groups. As well as that it allows for a re-categorization from others to us even taps into prosocial tendencies, Tendencies towards empathy and compaion. programmable led matrix panelbuilt around a bright, Pixel-dense led display, Smart nice led sign display as you would expect! it can be programmed to say what you want it to and produces high-resolution meages for drivers amp; facilitates safer driving environments. usb powered led car signwith 5v usb upgrade voltage technology, The scrolling led sign is extremely low heat, Touchable and safe to use. No socket limitation, You can charge your led panel with power bank, Laptop, Tv, Etc.. (note: do not use a usb interface with output voltage exceeding 5v or a rated current lower than 2a for power supply.) bluetooth app controldownload the app(coolled1248) to your phone and connect the led matrix panel through bluetooth. You can edit text, Diy patterns, Adjust the brightne of the led car display screen, And music rhythm, Meet your various needs perfectly. high-quality and high brightnethis programmable led sign for car windshield is a 16 x 64 pixel full-color led display. The high-quality led car sign can not only emit high-intensity light, But also has low power consumption, And the full-color effect is brighter and soft without glare.