Supply C-series Cylingrical Type Photoelectric Sensor , the operating voltage to DC10-30V, detecting distance is 40 CM , the infrared ray nothing touches the stability inspecting up the mappist document , working reliably , broad apply to hardware electron industry , chemical industry, gush the code printer , game machine industry waits, this department I wishes the incoming telegram welcoming you satisfy your childbirth need zeal coming reliable mass , the most sufficient stock and the most timely supply of material most with the most substantial price, consults about.