... of: 1, Sensors: inductive proximity sensor, capacitive proximity sensor, photo sensor, hall sensor, color mark sensor and analog sensor. 2, Digital meter: temperature controller, ... 644/291/566/566291644_761.JPG" alt="IBEST M18 Diffused Photo Sensor Switch (Connector Type)" ori-width="800" ori-height="667"> ... us!IBEST ELECTRICAL CO.LTDwwwibestchinacom M12 Laser Photo Switch, Laser Sensor (IBEST)