Specifications:

• Mount Type: CS mount
• Model Number: CS 4mm 3MP
• Memory Size: None
• LENs Height (body): 32mm (adjustable)
• LENs Diameter (Front): 28mm
• Image Format: 1/2.5 inch
• Focal Length: 4.0mm
• Brand Name: HASecurity
• Aperture: 1 : 1.4 / F1.4