TD-9525S3H is a versatile and high-performance network camera suitable for various security environments, offering the flexibility needed to adapt to specific surveillance requirements.equipped with a motorized zoom lens (2.8-12mm) in the TD-9525S3H(D/AZ/PE/AR3) variant, providing flexible control over focal length for optimal image capture. Additionally, the TD-9525S3H(D/FZ/PE/AR3) variant features a manual varifocal lens (2.8-12mm), allowing users to manually adjust the focal length based on their specific monitoring needs.