Photoelectric sensor, Polarized retroreflective, 4m, AC/DC, Transistor output PNP, timer The square sized E3JM family provides 12 to 240 VDC and 24 to 240 VAC power supply voltage, an enhanced sensing distance and a timer function. 12 to 240 VDC and 24 to 240 VAC supply voltage. Relay or solid state relay output. Timer function