The eufy eufyCam S3 Pro 4-Camera Kit is a solar-powered 4K security system built for whole-of-home outdoor coverage. It suits households that want detailed, full-colour footage day and night while keeping every recording on local storage. The kit pairs four wireless cameras with a HomeBase 3, so there are no monthly fees to keep watching your own footage. Features 4K UHD (3840x2160) recording with a 1/1.8-inch stacked CMOS sensor and F1.0 aperture for crisp, detailed footage day and night MaxColor Vision full-colour night vision, backed by adaptive motion-triggered spotlights and 4 infrared LEDs (up to 10m / 32.8ft) Dual motion detection combining radar (up to ~12m / 40ft) and PIR to cut false alerts, with alerts even in total darkness BionicMind on-device AI recognises faces, humans, vehicles and pets, plus cross-camera tracking, all processed locally No monthly fees, with local storage on HomeBase 3 (S380): 16GB built-in, expandable up to 16TB (kit ships without a hard drive, so add your own 2.5-inch SATA drive) Solar powered, with a built-in SolarPlus 2.0 panel plus a 13,000mAh rechargeable battery for continuous, largely maintenance-free running IP67 weatherproof and rated for -20°C to 50°C for reliable year-round outdoor use Full-duplex two-way audio with dual-mic AI noise reduction and a built-in 100dB siren, plus support for Apple Home, Alexa and Google Assistant Specifications Brand eufy Model T8894TW2 Kit contents 4x eufyCam S3 Pro cameras + 1x HomeBase 3 (S380); no hard drive included Resolution 4K UHD (3840x2160), up to 15fps Sensor & aperture 1/1.8-inch stacked CMOS, F1.0 aperture, 8x digital zoom Field of view 135° diagonal Night vision MaxColor Vision full-colour with adaptive spotlights; 4x 850nm IR LEDs, up to 10m (32.8ft) Motion detection Dual detection - radar (up to ~12m / 40ft) + PIR AI detection BionicMind on-device AI (face, human, vehicle, pet) + cross-camera tracking, processed locally Power / battery 13,000mAh rechargeable battery + built-in SolarPlus 2.0 solar panel; up to 365 days per charge (manufacturer claim) Storage HomeBase 3 (S380): 16GB built-in (eMMC), expandable up to 16TB via user-supplied 2.5-inch SATA drive; no monthly fees Weatherproofing IP67; operating range -20°C to 50°C Two-way audio & siren Full-duplex two-way audio with dual-mic array and AI noise reduction; built-in 100dB siren Connectivity Wi-Fi 2.4GHz only (802.11b/g/n); USB-C charging; works with Apple Home, Alexa, Google Assistant (Apple Home streams at 1080p) Colour White Warranty 12 months manufacturer warranty What's in the Box 4x eufyCam S3 Pro cameras (White) 1x HomeBase 3 (S380) with 16GB built-in storage No hard drive included - buyer supplies own 2.5-inch SATA HDD (expandable up to 16TB) Mounting hardware and charging cables (standard kit accessories) See our full range of security cameras. Good to know Power: each camera has a built-in SolarPlus 2.0 solar panel and a 13,000mAh rechargeable battery, so most installs need no wiring Storage is local on the included HomeBase 3 (S380) with no monthly subscription fee; the kit ships without a hard drive, so add your own 2.5-inch SATA drive (up to 16TB) beyond the 16GB built-in IP67 weatherproofing and a -20°C to 50°C range suit outdoor mounting, with MaxColor Vision full-colour night vision after dark This kit includes 4 cameras and 1 HomeBase 3 (S380); the cameras connect on 2.4GHz Wi-Fi only