4MP DeepinView Self-Cleaning Bullet Camera * High quality imaging with 4 MP resolution * Excellent low-light performance via ColorVu technology * Efficient H.265+ compression technology to save bandwidth and storage * Two years maintenance-free with the built-in 2 L large-capacity water box for cleaning the camera window once a week after filling the water box * Ring-type sunshield to block the stray light incident from outside the range of lens field of view and reduce dust adhesion * Built-in heater to ensure clear image under rainy or snowy weather and enhance the lens window glass decontamination ability * Water and dust resistant (IP67) and anti-corrosion protection (NEMA 4X)