| Model No. | CRM3121 | CRM3121A |
| Housing Material | stainless steel mirror housing and plastic side cover | |
| Brewing Head | 1 group | |
| Voltage | AC 220~240V 50/60Hz single phase | |
| Type | Semi-automatic | |
| Pump | Italian Ulka（Vibration） | Italian Ulka （Rotation） |
| Pressure | 15 bar | 9 bar |
| Extraction Filter | 58mm | |
| Steam Nozzle Hole | 4 | |
| Control Panel | PID temperature and electronic controlling system with button*6, steam knob*1, pressure gauge*2 and independent hot water outlet | |
| Internal Piping and Boiler | Teflon | |
| Coffee Boiler | 550ml | |
| Steam Boiler | 5.25L | |
| Solenoid Valve | Yes | |
| Water Connect | direct water connection | |
| Power Rating | 3100W | 3200W |
| Unit Size | 478*578*520mm | |
| Weight | 29kg | |
| Color | Black/red | |
| Plug | No | |
| Power Source | Electric | |
| Accessories | powder spoon*1, water tray*1, portafilter*1(dual), filter basket*1, cleaning brush*1, blow-off pipe*1, inlet pipe*1, user manual*1 | |
| Warranty | 1 year | |
| After-sale Service | free spart parts | |