AK series products are major breakthrough in surveillance field, including bullet, turret and NVR. AK not only has the advantages of analog HD that can fast display images without debugging, but also has 5 key advantages: better performance; full function; cost-efficiency; easier  installation; higher security. It can easily achieve audio and video transmission, and has a good performance in noise reduction. Although the price of AK series is lower than analog, AK series can provide better image effect and bringing higher visual experience. In addition, the pure POE networking design is faster and more suitable for applications and brings better user experience.