Camera Features: *4MP/2K/2560*1440 *Support 2.4G/5G Wi-fi *Built-in 1.6W solar panel & 5200 mAh lithium battery *IP65 waterproof *Sound / light alarm & push message *Color night vision *Two-way audio *PIR human detection Base station Features: *A 64GB SD card is preinstalled in the base station *Support up to 8TB of 2.5-inch HDD (not include HDD) *Support Cloud storage (pay fee) *Max upgrade to connect 10 cameras.