Hikvision 4-Wire HD Indoor Station (DS-KH2230T)

Key Features

• Constant closing speed at various ambient temperatures, adjustable closing torque, closing speed and latching speed.
• Imported anti-freeze hydraulic fluid provides the product with a 2-year guarantee.
• Two-section speed adjustment, flexible installation on either left or right door leaf.
• 90° stop function: The door can stop and stay at 90° opening angle (please specify the function when ordering).
• Continuously adjustable closing speed in the range of 3s to 40s from 90°.
• Backcheck function: When the door is opened over 65°, the door closer can produce a certain damping force to prevent the door from opening too fast with excessive force which could result in door slamming to the wall.