The CO-IR PIR 5046AVF is one of our best selling Infrared security cameras. It has an auto iris vari-focal lens which is 4-9 mm. With a high 480 TV lines of resolution during the day and a razor sharp 520 TV lines of resolution during the night. It has 48 IR's and you can see up to 100 feet during the night. The 0.0 low lux light rating gives you an optimal visibility during the night. For the power supply, it is recommended that you use a 12VDC 1500 mA power nothing lower. The IR PIR 5046AVF will not disappoint you.