1、BUILT IN SMART CHIP: The smart chip has stable performance, high output power, good polar electric characteristics, stable and more reliable performance 2、HIGH SENSITIVITY AND ACCURACY: 4MM sensing distance sensitivity, possess high sensitivity, fast frequency response, high repeat positioning accuracy, short transient process 3、PROTECTION FUNCTION: Provide polarity protection, brown, black, blue different colors wiring to prevent reverse wiring 4、SCRATCH RESISTANT ABS: Adopt excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly 5、WITH FITTINGS: Equipped with screws and nuts, easy for you to install, complete accessories guarantees convenient operation Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin