Eufy PoE S4 Bullet-PTZ Cam | PoE Add-On Camera | T8E00321This PoE add on Camera requires eufy Network Video Recorder S4 to operate. eufy Network Video Recorder S4 required for all eufy PoE Cams. Think of the eufy PoE Cam S4 as two cameras and a mini security guard rolled into one sleek housing. A fixed 4K lens keeps a 122 watch over your whole yard, while the dual 2K PTZ lenses underneath spins a full 360, zooming 8 to lock onto a visitor up to 164 ft away. 2 in 1 16 MP Triple Lens Bullet and Pan Tilt Zoom