... day/night camera, 8 languages OSD * Lens: 3.5-8mm/ 4-9mm * 42pcs LED, 40m IR distance * High resolution * Night Vision, 40m IR camera* IR Waterproof day/night camera ... factory has 3 large-scale SMT machines, four production lines, and more than 200 workers, ensuring that daily output can be ... up to 2,000 units and above. We have a R&D team of 10 persons ...