1. Operating system: Android 6.0 2. Memory: 2G memory 8g solid state disk 3. Power adapter: input: AC100-240V / 1.7A output: DC 12V / 2.5A 4. Weighing: 150kg 100kg optional 5. Display: 7-inch high-definition touch display 6. Built in printer 58mm thermal printer 7. 1 network port, 1 cash box port, 1 serial port and 3 USB ports