Model: QL-1805 sensing distance 5mm Products: QL-1805 sensing distance 5mm Function: output method: NA -NPN normally open normally closed NB -NPN PA -PNP normally open normally closed outer diameter PB -PNP Dimensions: 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 consumption Current: 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