The Reolink Argus Series B440 is a versatile wireless battery-powered PTZ security camera designed for flexible indoor and outdoor monitoring.
Featuring 4K 8MP resolution for ultra-clear footage, it offers 355° horizontal pan and 140° vertical tilt to cover wide areas without blind spots.
Advanced smart detection identifies persons and vehicles to send accurate real-time alerts, reducing false alarms, while auto-tracking follows movements seamlessly.
Integrated spotlights enable color night vision alongside infrared for black-and-white clarity in darkness, and a built-in siren deters intruders upon detection.
With two-way audio for remote communication, dual-band 2.4/5GHz WiFi for stable connectivity, and compatibility with Reolink solar panels for continuous power, it supports local microSD storage and app-based control—no subscriptions or base station required. Its IP64 weatherproof housing ensures durability in various conditions, making it an efficient solution for home or business security.
| Category | Specification |
|---|---|
| Video Resolution | 4K 8MP (3840 x 2160) |
| Pan & Tilt | 355° Horizontal Pan, 140° Vertical Tilt |
| Night Vision | Color Night Vision with Spotlights; Infrared Black-and-White |
| Detection Features | Smart Person/Vehicle Detection, Auto Tracking |
| Audio | Two-Way Audio with Built-in Microphone and Speaker |
| Alerts | Motion Alerts, Siren and Spotlight Activation |
| Recording Modes | Motion-Triggered, Scheduled |
| Storage Options | MicroSD Card (Local Storage) |
| Connectivity | Dual-Band WiFi (2.4GHz/5GHz) |
| Power Supply | Rechargeable Battery, Compatible with Solar Panel |
| Compatibility | Reolink App and Client for iOS, Android, Windows, Mac |
| Installation | Wireless, No Base Station Needed |
| Operating Environment | Indoor/Outdoor, IP64 Weatherproof |



