| 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 |  | 
                                                                                    
                                | A series |  | 
| 1820N-A2 | JT-KF1820NZGSURQBM-CB-A2 | R | 500 | 380 | 700 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
6000nit |  
| G | 750 | 630 | 1100 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 95 | 80 | 160 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | A series |  | 
| 1820N-A1 | JT-KF1820NZGSURQBM-CB-A1 | R | 410 | 250 | 500 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4500nit |  
| G | 680 | 480 | 850 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 85 | 65 | 130 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | A series |  | 
| 1820-A3 | JT-KF1820QBZGSURM-CB-A3 | R | 630 | 420 | 850 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
7000nit |  
| G | 950 | 650 | 1250 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 120 | 100 | 180 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | A series |  | 
| 1820-A2 | JT-KF1820QBZGSURM-CB-A2 | R | 500 | 380 | 700 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
6000nit |  
| G | 750 | 630 | 1100 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 95 | 80 | 160 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | A series |  | 
| 1820-A1 | JT-KF1820QBZGSURM-CB-A1 | R | 410 | 250 | 500 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4500nit |  
| G | 680 | 480 | 850 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 85 | 65 | 130 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-BB-S3 | JT-KF1820QBZGSURM-BB-S3 | R | 350 | 280 | 500 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
4000nit |  
| G | 420 | 380 | 620 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 50 | 42 | 80 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-BB-S2 | JT-KF1820QBZGSURM-BB-S3 | R | 270 | 200 | 450 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
3000nit |  
| G | 400 | 300 | 620 | 510 | 535 | 2.4 | 3.4 | 8 |  
| B | 40 | 30 | 70 | 458 | 475 | 2.4 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-GB-S3 | JT-KF1820QBZGSURM-GB-S3 | R | 380 | 300 | 500 | 620 | 625 | 1.7 | 2.4 | 15 | P3.9113S
4500nit |  
| G | 470 | 400 | 700 | 510 | 535 | 2.2 | 3.2 | 8 |  
| B | 60 | 50 | 90 | 458 | 475 | 2.5 | 3.4 | 5 |  | 
                                                                                    
                                | S series |  | 
| 1820-GB-S2 | JT-KF1820QBZGSURM-GB-S2 | R | 300 | 200 | 400 | 620 | 625 | 1.7 | 2.4 | 15 | P3.91 13S
3500nit |  
| G | 450 | 300 | 600 | 510 | 535 | 2.2 | 3.2 | 8 |  
| B | 50 | 45 | 80 | 458 | 475 | 2.5 | 3.4 | 5 |  |