The EL-FC54 High resolution CCTV camera incorporates the latest Sony CCD and Digital Signal Processor (DSP) technology, the HQ Super HAD, providing the highest quality, color images. The EL-FC54 offers remarkable sensitivity with an S/N ratio of more than 48dB and is equipped with dual voltage capabilities for added flexibilities 12VDC & 24 VAC. In addition each camera comes standard with VVA (Video Voltage Adjustment) technology to increase the distance limitations over coax.