Product Name Proximity Switch Sensor Model SN04-N Wire Type DC 3 Wire Type (Brown, Black, Blue) Theory Inductance Sensor Output Type NPN, NO Output Switching Transducer Sensing Distance 4mm Working Voltage 5-30V DC Response Frequency 500Hz max Indicator Red LED Size 36 x 18 x 18mm / 1.4″ x 0.7″ x 0.7″ (L*W*H) Cable Length (Approx.) 110cm / 43.3″ Hole Size 0.9 x 0.4cm / 0.35″ x 0.2″ (L*W) Extenal Material ABS Resin Net Weight 34g Color Blue
