Although it is unused, it has been opened for the purpose of listing. Please check the photos. From HP: 1080P video recording. The AC-44P2 On Dash Camera records video on its own, and the ATOTO Android car stereo functions as the operating interface - it has a Micro SD slot of its own, so no storage space from the Android car stereo is required. Equipped with the dedicated operation management app "DVR CAM". Micro SD storage card is not included. It can read cards up to 64 GB. Compatible with some ATOTO car Android stereo models (ATOTO A6 & S8 series). Important: Not compatible with F7, SA102 Starter, and P8 series. Not compatible with head units of other brands. The camera has an automatic recording option, which is enabled by default. As long as it is powered from the Android car stereo via USB, it will automatically start recording when the engine is started. Even if the "DVR CAM" app is not running, the automatic recording function will not be affected or interrupted. Important videos can be locked to prevent deletion by repeated recording. You can have the camera take a photo by clicking the "Take Photo" button. In addition, this camera has a built-in microphone, and users can disable the microphone if necessary. ✼••┈┈••✼••┈┈••✼••┈┈••✼••┈┈••✼ ATOTO AC-44P2 1080P USB DVR On Dash Camera - Records on the camera side - Compatible with ATOTO A6 & S8 series. Not compatible with F7 series, P8 series.