TAKEX Sensor, SEEKA Sensor AC/DC Power photo sensors were developed to make use of the available power and are the majority of models are self-switching between AC and DC and self-regulating from 24 VDC to 240 VAC. AC power allows for a wide range of applications such as car washes, exposed vehicle detection systems, conveyor detection in unusual environments such as frozen fish.This group comprises the most process flexible of all groups.