2. Parameter Description 
 Dimensions: 210x91.2x219mm 
 Read time: ≤ 0.3 秒 
 Display: double-sided super bright LED display 
 Case Material: plastic 
 Read Range: 0 ~ 50mm 
 Operating frequency: 13.56M 
 Operating Voltage: AC 220V/50 ~ 60Hz 
 Power consumption: static: ≤ 5 W News: ≤ 10 W 
 Operating temperature: -10 ℃ ~ 60 ℃ 
 Storage temperature: -20 ℃ ~ 70 ℃ 
 Humidity: 10% to 90% 
 Communication Interface: RS232/RS485 
 Display mode: LED 
 Lighting Tips: Light Emitting Diode 
 Sound Tip: the buzzer 
 Operating modes: single mode, networking 
 Data Capacity: single time fee local storage 24570 detail 
 Card Capacity: 1 million 
 Blacklist cards: 500,000 
 Communication distance: 1200m 
 For cards: Mifare 1 Series Card 
 Smart canteen machine / IC card canteen unit / school canteen canteen machine punch card machine intelligence / IC card canteen unit / school canteen canteen machine punch card machine intelligence / IC card canteen unit / school canteen punch card machine