The Hikvision D1 dashcam is a 1080p or 1440p (2K) resolution camera with a 360° rotating lens, built-in Wi-Fi, and supports both front and rear recording (depending on the model). It features a built-in microphone and speaker, and can be controlled via a mobile app for live view, recording, playback, and parameter configuration. 

Features:

• Up to 1080P HD camera with horizontal 102°wide angle, diagonal 122°.
• Support built-in MIC and speaker for audio in and out.
• Communication: Built-in Wi-Fi module.
• Supports TF card storage (Max. 128GB) and recording overwrite.
• Phone App: live view, record, playback and parameter configuration.
• Built-in G-Sensor module, supports video recording linkage a car crash or strong vibration. (Linkage video record can be configured to be non-overwritten)

Specifications:

• Camera: 
  -Image Sensor: COMS
• Lens: 
  -Lens Type: 5 G+P
  -Aperture: F2.0
• Wi-Fi
  -Frequency Range: 2412-2472MHZ
  -Channel Bandwidth: 20MHZ
• Interface
  -Built-in Microphone: Yes
  -Built-in Speaker: Yes
  -Power Output Approx: 2.5W

General Specifications:

• GPS: No
• WiFi: 2.4
• Wi-Fi Support: Yes
• Resolution: 1080P@30 fps
• Max. Resolution: 1080P@30 fps
• Video Compression: H.265
• FOV: 122° (D), 102° (H)
• Camera Dimension:  78mm x 36mm x 52mm (3.07 x 1.41\" x 2.04\")"
• Camera Weight: 100g (0.22 lb)
• Online Upgrade: Yes
• Power Consumption and Current: 5V DC, 1.5 A
• Power Supply: Drop line pressing
• Power Interface: Mini USB
• Working Temperature: -20 °C to 70 °C (-4 °F to 158 °F)
• Working Humidity: 95%(Max)
• Storage: TF card, 16GB to 128 GB
• OSD: Display time, date, etc.
• Image Format: JPEG
• Local Storage: No
• ADAS: No
• Speech Recognition: No

*Package does not come with an SD card.