Features: 1. 180° wide angle: This IP camera lens supports a wide 180° angle, which gives you a complete vision. 2. 2.1mm focal length: make every detail very clear so that you don't miss important moments. 3. Infrared lens: This CCTV lens supports night vision, giving you 24-hour protection, safe and reliable. 4. Accurate compatibility: the M12*0.5 lens is widely used on 1/2.5" CCD chip, and the picture will not be stuck. 5. With 5.0 Megapixel high definition image, good color and small distortion. Specifications: Model: CW-BL2120-5MP Material: Plastic Color: Black Focal-Length: 2.1mm Mount type: M12*0.5 Image Format: 1/2.5" Horizontal Field: 180° Resolution: 5 Megapixel Aperture: F 2.0 Size: approx.16.5 * 16.5 * 16.5mm / 0.6in Weight: approx. 8g Package List: 1 * Lens