Product Name : Proximity Switch Sensor;Model : SN04-N;Type : DC 3-wire NPN No;Theory : Inductance Sensor
Output : Switching Transducer;Sensing Distance : 4mm;Working Voltage : 10-30V DC
Response Frequency : 500Hz max;Indicator : Red LED;Size : 18 x18 x 36mm/0.7 inch x 0.7 inch x 1.4 inch (W*H*L)
Cable Length : 135cm/53 inch ;Hole Size : 0.9 x 0.4cm/0.35 inch x 0.2 inch (L*W);Extenal Material : metal
Net Weight : 48g;Color : Black, Green;

Over-current and short circuit protection, with LED indicate, easily identifiable.
The Proximity Sensor Switch is used for testing parts such as size and speed can also be used in frequency counters, frequency pulse generator, liquid level control and processing procedures for the automatic convergence.

Package Content :
2 x Proximity Sensor Switch,
8 x Screws