Arlo Ultra 2 XL - Network surveillance camera - bullet - water resistant - colour (Day&Night) - 3840 x 2160 - audio - wireless - Wi-Fi (pack of 2), 4K HDR surveillance bullet camera with water resistance to always have eyes on your property even when you're not home. 4K with HDR, Color night vision & spotlight, Audio, Motion alerts, Auto zoom and tracking, XL battery.