| Outward appearance code | BZJ-211 | BZJ-311 |
| Outward appearance illustration |  |  |
| Size（mm） | 85x57x28mm | 100x62x38mm |
| Supply voltage | 10-30VDC | 10-30VDC |
| Ambient temperature | 0-50℃ | 0-50℃ |
| Detecting method | coaxial reflective | coaxial reflective |
| Sensing distance | 10mm±2mm | 9mm±2mm |
| Chromatogram of light | Red, green, blue, white | Red, green, blue, white |
| Facula | dot | dot |
| Response time | 50us | 50us |
| Output current | <200mA | <200mA |
| Output type | NPN PNP | NPN PNP analog output （0.5-5VDC) |
| Shell material | zinc die casting | zinc die casting |
| Cable length | 2m | 2m |
| Protection | RP-power protection， load short-circuit protection | |
| Weight | 400g | 500g |