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DengHong Q840 Outdoor Security Camera with 10X Optical Zoom and Full Color Night Vision
This Q840 outdoor security camera is designed for homeowners who want to monitor their property day and night, like keeping an eye on the backyard while the kids play or watching over deliveries at the front door. While many cameras focus on basic surveillance, this one acts as your personal lookout with features that anticipate your needs.
Its five-lens system with 10X optical zoom lets you see details clearly, whether checking license plates from a distance or spotting wildlife near your garden. The full-color night vision ensures you get a vivid view after dark, not just grainy shadows. When motion is detected, the auto-tracking follows the subject automatically, so you don't miss a thing—like catching a package thief in action before they even reach your porch.
With two-way audio, you can communicate directly through the camera, perfect for telling a delivery person where to leave a package or calming a pet during a storm. The four-screen view in the app allows you to monitor multiple areas at once, and flexible storage options include a micro SD card or cloud backup. This Alexa-compatible camera offers reliable home security with practical tools that make everyday monitoring effortless.
Features
- Full color night vision with 98 feet IR range
- Auto tracking and motion detection alerts
- Four screen simultaneous view via app
- Two-way audio communication
- Wireless WiFi connectivity with wired option
- IP rated waterproof design
- Local SD card and cloud storage options
- Pan-tilt-zoom control with wide rotation range
- 20MP high resolution video
- Five lens system with 10X optical zoom
General specs
- Brand: DengHong
- Model: Q840
- Seller: Banggood
- ID: 2029762
- Audio: Two-way communication, G.711a
- Model: Q840
- Power: Φ5.5 DC interface, RJ45 port for wired connectivity
- Sensor: 1/3 CMOS
- Storage: Micro SD up to 128GB, cloud via DengHong Video Cloud
- Features: Multi Lens Surveillance, 24/7 Full Color Night Vision, Auto Tracking Alerts, Four Screen View, Two Way Audio, Flexible Storage
- Resolution: 20MP
- Lens System: Five lens system with 10X optical zoom, M12 interface
- PTZ Control: 355° horizontal, 90° vertical rotation
- Night Vision: Full color mode, IR 30m range
- Weatherproof: IP rated waterproof design
- Package Includes: 1x Q840 Camera, 1x Screws Pack, 1x Power Supply, 1x Screwdriver, 1x User Manual, 1x Package Box
- Video Compression: H.264, 12fps, 4 channel streams
- Wireless Standard: 802.11b/g/n 2.4GHz
- Operating Humidity: 10-90% humidity
- Operating Temperature: 14°F to 122°F
- First listed by seller: 2/23/26
If you are interested in more details, you can find full information on the seller's page.
$62.33
Last price update: 5/9/26
Available to order
Price History for seller Banggood
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | DengHong | OKAM | ICSEE | |||
| Model | Q840 | K21 | T12 V380 Pro | |||
| Color | ||||||
| Rating | ||||||
| Price | $62.33 | $13.84 | $25.72 | $34.63 | $39.57 | $73.22 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Banggood |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 |
| Resolution | 20MP | 1920 x 1080 pixels | 1080P, 1920x1080, 2MP | 6MP | 15MP, 5MP, 5MP, 5MP | |
| Night Vision | Full color mode, IR 30m range | Full Color, Dual light night vision | Full Color | |||
| Video Compression | H.264, 12fps, 4 channel streams | Smart H.265/X | Smart H.265X | |||
| Lens Focal Length | 3.6mm | 3.6mm | 4 mm fixed lens | |||
| Night Vision Type | Dual light night vision, Full color night vision | Infrared LEDs, white spotlights, full color IR dual light alarm modes | Color night vision, Dual light, Single infrared LED | |||
| Waterproof Rating | IP66 | Outdoor Waterproof | IP66 | IP66 | ||
| Connectivity | WIFI, 2.4G WIFI 802.11b/g/n, Network Cable connection, AP Hotspot Addition | Bluetooth-assisted pairing, Wi-Fi, wired Ethernet, dual external antennas | 4G EU Version, WiFi Version | |||
| Power Supply | DC5V, USB | EU power supply | 12V 2A waterproof power supply | |||
| Lens Configuration | 2-Lens | Dual-lens | Three lens setup | |||
DengHong Q840 Five lens system with 10X optical zoom
$62.33
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