The Hikvision AE-DC4328-K5(2CH) is a dual-channel dash camera designed to record both the road ahead and the rear of the vehicle. With the rear camera connected, it records the front view at up to 1440P at 30 fps and the rear view at 1080P at 25 fps. Key Features Dual-Channel Recording: Records the front at up to 1440P at 30 fps and the rear at 1080P at 25 fps with the rear camera connected. 3-inch Screen: Built-in display for dire operation and recording review. Built-in GPS: Integrated GPS supports location-related recording information. Collision Detection: Built-in G-sensor supports collision-triggered recording and recording lock. Wi-Fi Connectivity: Connects to the HikDashcam mobile app for supported device-management functions. F1.55 Front Lens: Front camera provides a wide 123.4° diagonal field of view. Technical Specifications Component Specification Hikvision Model AE-DC4328-K5(2CH) Produ Type Dual-Channel Dash Camera Image Sensor CMOS Front Camera Resolution 2560 x 1440 2-Channel Front Recording 1440P at 30 fps Rear Recording 1080P at 25 fps Front-Only Recording Up to 2160P at 30 fps without rear camera connected Front Aperture F1.55 Front Field of View 105° horizontal, 56.4° vertical, 123.4° diagonal Screen 3-inch Storage Type TF / microSD Card GPS Built-in G-Sensor Built-in, collision-triggered recording and recording lock Wi-Fi Supported Mobile App HikDashcam Audio Recording Supported Power Supply 5 V DC, 2 A Operating Temperature -20 °C to 70 °C Operating Humidity 95% or less Compatibility & Important Information With the rear camera connected, the front recording mode is up to 1440P at 30 fps and the rear camera records at 1080P at 25 fps. The 2160P at 30 fps mode specified by Hikvision applies to front-only operation without the rear camera connected. A compatible TF / microSD memory card is required for recording. Wi-Fi enables connection to the HikDashcam mobile application for supported setup and recording-management functions. The rear camera installation instructions include connection of the red reversing line to the vehicle reverse-light power line. Please to review Q: Is this the Hikvision AE-DC4328-K5(2CH) version? A: Yes. This listing is specifically for AE-DC4328-K5(2CH), which Hikvision lists separately from the AE-DC4328-K5(2CH)(BUCKLINE) variant. Q: What resolution does it record when both cameras are connected? A: In dual-channel operation, the front camera records up to 1440P at 30 fps and the rear camera records at 1080P at 25 fps. Q: Can the front camera record at 2160P? A: Yes. Hikvision specifies front recording up to 2160P at 30 fps when the rear camera is not connected. This is not the simultaneous 2-channel recording mode. Q: Does it have a built-in screen? A: Yes. Hikvision specifies a 3-inch screen. Q: Does the AE-DC4328-K5 have GPS? A: Yes. GPS is built into the dash camera. Q: What does the G-sensor do? A: Hikvision specifies collision-triggered recording and recording lock when an impa event is detected. A: Yes. The built-in Wi-Fi connection works with the HikDashcam application for supported device-management functions. Q: What type of memory card does it use? A: The dash camera records to a TF / microSD memory card.