70mai Dash Cam 4K A810S

70mai Dash Cam 4K A810S (also referred to as A810S in some regions) is a 2025-updated variant of the popular A810 series from 70mai (Xiaomi ecosystem). It’s a screen-equipped, dual-channel dash cam focused on exceptional 4K clarity, especially in low-light/night conditions, with upgrades like enhanced Night Owl Vision™ processing, buffered emergency recording, and a supercapacitor for better heat resistance—making it reliable in Nairobi’s hot climate and traffic.

Key Specifications

• Video Resolution: Front: True 4K UHD (3840×2160) at up to 30fps (some modes support 60fps at lower res); Rear: 1080p Full HD at 30fps (supports compatible rear cams like RC24 or RC23).
• Image Sensors: Front: Sony STARVIS 2 IMX678 (premium low-light sensor with larger photosensitive area for better noise reduction and dynamic range); Rear: Typically Sony IMX662 or similar HDR-capable.
• Key Imaging Features: HDR on both channels (balances exposure/glare), 70mai Night Owl Vision™ + MaiColor Vivid+ (superior night color accuracy, reduced noise, glare control), license plate enhancement (sharper plates even at speed), F1.7 aperture front lens.
• Field of View: Front: 150° wide-angle; Rear: Around 130°.
• Display: 3-inch IPS touchscreen (640×360 resolution) for on-device preview, settings, and playback—no app required for basics.
• Storage: Supports microSD cards 32GB–512GB (U3 or higher recommended; not included—buy a high-endurance card).
• Connectivity: Wi-Fi (for fast app transfers), Bluetooth (easy setup), built-in GPS (stamps speed, location, route in videos).
• Smart Features: ADAS (lane departure, forward collision, pedestrian alerts), voice control (multi-language “Hey 70mai”), G-sensor impact detection, buffered emergency recording (captures up to 3 minutes pre-collision), AI motion detection.
• Parking Mode: 24-hour surveillance with time-lapse, intelligent motion/collision alerts (requires optional Hardwire Kit UP04/UP05 for always-on; supports 4G LTE remote viewing/notifications with SIM—ideal for Nairobi parking security).
• Build: Compact wedge design (approx. 36.3×59.8x88mm), supercapacitor (handles heat up to 85°C better than batteries, 500,000+ cycles), eco-friendly/reliable power.
• Other: Loop recording, emergency lock files, app control (70mai app for iOS/Android—preview, download, share).

Pros & User/Reviewer Feedback

• Outstanding STARVIS 2 night performance—clear, colorful low-light footage with readable plates (major upgrade over older models like A800S).
• On-device 3″ screen for quick checks (unlike screen-less M800).
• Great value for 4K + HDR + GPS + ADAS; buffered pre-event recording helps capture full incidents.
• Supercapacitor excels in heat (no battery swell issues in Kenyan sun).
• Strong app and 4G potential for remote monitoring.

Cons

• Rear camera is 1080p (not 4K like front—decent but not as sharp in low light).
• Frame rate drops to ~25–30fps in dual mode (smoother at single 4K).
• No built-in storage (needs SD card—risk of corruption if low-quality card used).
• Hardwire kit extra for full parking (battery drain otherwise).
• Slightly bulkier with screen vs. discreet M800.

Compared to the M800 you asked about earlier: A810S has a built-in screen and touchscreen convenience, similar STARVIS 2 front sensor, but uses removable SD cards (vs. M800’s fixed 128GB eMMC—no card hassles). M800 is more “hidden”/discreet (no screen), while A810S is easier for on-the-spot review. Both excel in night vision; A810S often cheaper locally in KE (~KSh 23k–26k dual vs. M800’s higher import ~KSh 28k+).