Reolink Argus B440 (Argus PT Ultra B440) is an 8MP 4K pan-tilt battery/solar-powered security camera with spotlights, dual-band WiFi, and advanced detection. It offers almost full 360° coverage via 355° pan and 140° tilt, delivering high-definition video day and night, without requiring wired power.Video & Viewing Angles4K UHD (3840×2160) @ 15 fps, 8 MP resolutionFixed lens with ~90° horizontal, ~47° vertical, ~110° diagonal field of viewPan ~355° Tilt ~140° for broad coverageNight Vision & SpotlightsInfrared night vision up to ~10?mBuilt-in spotlights for color night visionDetection & AlertsPIR detection with adjustable distance (~10?m) and ~120° horizontal angleSmart alerts for people, vehicles, pets via app push / emailPower & Storage21.6Wh rechargeable battery; supports charging via Solar Panel 2 or USB-CLocal storage via microSD (up to 128 GB)Connectivity & EnvironmentDual-band WiFi 2.4/5?GHz for stable occupancyIP64 rated, works in ?10?°C to 55?°C temperature rangeSize ~ Ø98 × 122 mm; weight ~481?g with battery
