| Version | Picture | 
                                    
                                    
                                        | Product ID | Model No. | Reference Range | Screen Brightness
 (ref)
 |  
                                    | Color | Brightness | Brightness (mcd)
 | Wavelength (NM)
 | Volt(V) | Current (mA)
 |  
                                    | Typical value
 | MIN | MAX | MIN | MAX | MIN | MAX |  | 
                                                                                    
                                | S series |  | 
| 1820-GB-S1 | JT-KF1820QBZGSURM-GB-S1 | R | 280 | 180 | 350 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
3000nit |  
| G | 420 | 250 | 650 | 510 | 535 | 2.2 | 3.2 | 8 |  
| B | 55 | 40 | 75 | 458 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-S3 | JT-KF1820QBZGSURM-CB-S3 | R | 470 | 300 | 650 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
5500nit |  
| G | 750 | 590 | 900 | 510 | 535 | 2.5 | 3.4 | 8 |  
| B | 100 | 70 | 150 | 458 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-S2 | JT-KF1820QBZGSURM-CB-S2 | R | 430 | 250 | 600 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
5000nit |  
| G | 720 | 550 | 880 | 510 | 535 | 2.5 | 3.4 | 8 |  
| B | 90 | 60 | 130 | 458 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-S1 | JT-KF1820QBZGSURM-CB-S1 | R | 420 | 250 | 500 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4500nit |  
| G | 730 | 480 | 800 | 515 | 535 | 2.5 | 3.4 | 8 |  
| B | 90 | 70 | 160 | 460 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-CS2 | JT-KF1820QBZGSURM-CB-CS2 | R | 430 | 350 | 700 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
5000nit |  
| G | 780 | 520 | 1000 | 515 | 535 | 2.5 | 3.4 | 8 |  
| B | 95 | 72 | 180 | 460 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-CS1 | JT-KF1820QBZGSURM-CB-CS1 | R | 410 | 280 | 550 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4500nit |  
| G | 670 | 520 | 900 | 515 | 535 | 2.5 | 3.4 | 8 |  
| B | 90 | 72 | 140 | 460 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | KS series |  | 
| 1820-KS3B | JT-KF1820QBZGSURM-BB-KS3 | R | 365 | 280 | 450 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4000nit |  
| G | 515 | 380 | 600 | 510 | 535 | 2.4 | 3.0 | 8 |  
| B | 65 | 40 | 80 | 458 | 475 | 2.6 | 3.2 | 5 |  | 
                                                                                    
                                | KS series |  | 
| 1820-KS3 | JT-KF1820QBZGSURM-CB-KS3 | R | 650 | 550 | 750 | 618 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
7000nit |  
| G | 990 | 700 | 1200 | 510 | 535 | 2.3 | 3.1 | 8 |  
| B | 130 | 90 | 150 | 458 | 475 | 2.4 | 3.2 | 5 |  | 
                                                                                    
                                | A series |  | 
| 1515-BB-A2 | JT-KF1515QBZGSURM-BB-A2 | R | 250 | 180 | 350 | 620 | 625 | 1.7 | 2.4 | 15 | P2.9 21S
3000nit |  
| G | 350 | 280 | 500 | 510 | 535 | 2.4 | 3.1 | 8 |  
| B | 50 | 40 | 70 | 458 | 475 | 2.4 | 3.1 | 5 |  |