Welcome to our store! 1. BUILT-IN SMART CHIP: The smart chip has stable performance, high power, good polar electrical properties, stable and more reliable performance. 2. HIGH SENSITIVITY AND ACCURACY: 4MM sensing distance sensitivity, has high sensitivity, fast frequency response, high repetition positioning accuracy, short transient process. 3. PROTECTION FUNCTION: Provides polarity protection, brown, black, blue wires in different colors to prevent reverse conduction. 4. TEAR-RESISTANT ABS: Uses excellent ABS material, has impact resistance, scratch resistance, environmentally friendly. 5. WITH ACCESSORIES: Equipped with screws and nuts, easy for you to install, complete accessories ensure convenient use. Item Type: Inductive Proximity Switch Material: ABS Model: SN04-N Voltage: 5-36VDC Induction Distance: Approx. 4 mm / 0.16 inches 1 x Limit Switch 2 x Screw 2 x Nut Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!