Function: output method: NA -NPN normally open normally closed NB -NPN PA -PNP normally open normally closed type PB -PNP diameter size: 18 * 18mm maximum sensing distance: 5mm ± 10% range of security measure : 0 ~ 4mm standard sensing object: 17 × 17 × 1mm hysteresis distance: 15% or less of operation distance Supply voltage: 10-30VDC Current consumption: 10mA or less output current: Maximun sink current 150Ma residual voltage: 1.5V or less (at 150mA sink current) frequency response: 600HZ Shell Material: ABS Cable length: Standards - 2 m