4K Ultra HD Recording & 3.5" IPS Display: ONDASHCAM O1 dash cam 4K is a 3.5" IPS screen dash camera for cars and trucks. It can simultaneously record high-quality video at up to 4K UHD 3840 x 2160p @30fps. With its industry-changing design featuring a big 3.5 inch IPS and user-friendly function keys, it offers an enhanced driving experience. The O1 dashcam excels in capturing Ultra HD videos and images, effectively documenting road hazards, accidents, and potential liability issues. Built-in Wi-Fi & GPS: The dash camera for cars built-in WiFi is easily connected from the ONDASHCAM app "Roadcam" and is convenient to operate on iOS or android devices for real-time preview, playback and device management. Also, video files can be downloaded to your smartphone and shared with friends via social media. The built-in GPS accurately records essential driving data such as route, location, and live speed, providing valuable evidence when needed. Superior Night Vision: The O1