The Reolink Argus B440 is a fully wireless 4K pan-tilt security camera powered by a rechargeable battery and/or solar panel. With 355° horizontal and 140° vertical rotation, smart human/vehicle/animal detection, dual-band Wi-Fi, and full-color night vision, it is an ideal solution for comprehensive indoor or outdoor surveillance – with no base station or wiring required.

• 4K Ultra HD (8 MP) video resolution
• Pan 355° and Tilt 140° for wide coverage
• Dual-band Wi-Fi (2.4 GHz & 5 GHz) for strong connectivity
• Full-color night vision with infrared & LED floodlights
• Smart detection: human, vehicle, animal
• Two-way audio (built-in mic and speaker)
• Motion-activated alarm with LED and siren
• Rechargeable battery (21.6 Wh) and optional solar panel (6 W)
• Local microSD storage (up to 128 GB) and Reolink Cloud support
• Weather-resistant design (IP64)
• No hub or subscription required

Technical data

• Image Sensor: 1/2.7″ CMOS, 8 MP (3840×2160) @15 fps
• Field of View: 110° diagonal / 90° horizontal / 47° vertical
• Pan: 355° motorized
• Tilt: 140° motorized
• Night Vision: Up to 10 m IR + color night vision via LEDs
• Wi-Fi: IEEE 802.11a/b/g/n, 2.4 GHz & 5 GHz
• Power Supply: Rechargeable 21.6 Wh battery + USB-C / 6 W solar panel (optional)
• Storage: microSD card up to 128 GB, Reolink Cloud compatible
• Audio: Two-way audio (microphone & speaker)
• Alarm: Motion-triggered spotlight + siren
• Smart Detection: People, vehicles, animals
• PIR Sensor Range: 10 m / 120°
• Operating Temperature: –10 °C to +55 °C
• Weather Resistance: IP64
• Dimensions: Ø98 × H122 mm
• Weight: 481 g (with battery)