ACTi ACM-1311 utilizes ACTi's own developed SOC with very low power consumption, ACM-1311 incorporates 24 units of LED to cover the object distance up to 15 meters. It's the first, the best and also the only choice of IP IR bullet camera in the world. ACM-1311N has built-in fixed lens with focal length 4.3 mm. ACM-1311 is one of ACTi entry level product lines. It targets those highly price sensitive markets without giving in the video quality that ACTi has insisted in from the first day it established.