Rectangular Ultrasonic Sensor Case Material Plastic Detecting Distance 508mm NPN Output Circuit Type NO Max Load 100 mA Electrical Connection 4 Pin Micro Connector Length 19 mm Width 8 mm Depth 33 mm NEMA Rating 12 13 4 4X 6 6P IP Rating 67 Operating Frequency 100 Hz Operating Temp Range -20 Degrees to 65 Degrees C Description/Special Features LED Status Indicator Over Voltage Reverse Polarity