Vertical punch catering, vertical smart card eating machine, vertical the canteen punch system vertical punch catering system, the vertical smart card eating machine, vertical canteen punch card system 
 Technical parameters 
 Read Range: IC card <5cm 
 Reader speed: <0.1 seconds 
 Communication Interface: RS232 or RS485 
 External power supply: 1200MA 
 Storage capacity: more than 16,000 records 
 Work environment: Temperature -10-50 
 Back-up battery: 5 hours standby time 
 Transfer rate: 19200bps 
 Handset Dimensions: 17.6cmX7.6cmX2.0cm 
 Main components of the handheld POS machines 
 The handset contains: LED display, keyboard, power switch, the 232 data acquisition short-term, chargers, sensing area. 
 Handheld POS machine operating parameters 
 Storage: Each handset can store 16,000 consumer records. 
 Standby time: can work 8 hours in the standby state 
 Work mode settings: retail, fixed, denoted by 
 Rechargeable battery parameters: the rechargeable battery 1400 mAh lithium battery can provide up to 100 hours of standby time. Each charge of six hours can be filled with