ZTHY HD 1080p H.264 2.0" Speed Radar Detector G-sensor Car DV DVR SH818 Edog Black Box Camera Equipped with low illumination induction lens, the product has better night vision effect than similar products in the market and is the most convenient tool for night traveler. High-definition color video with sound.Support large-capacity memory card, up to 32GB. Hot-pluggable memory card: When the memory card is full, it Can be replaced at any time. The video stored may be played on mobile phone, MP4 or other devices. The screen can rotate freely, easy for users to watch video. With super all-channel detection function to detect mobile radar signal over great distance, the product may issue earlywarning to the driver.