1. LCD and Server Mode 2. TCP/IP and Standalone work, 3. With Back-up battery. 4. Built-in E-Wallet 1. LCD and Server Mode 2. TCP/IP and Standalone work, 3. With Back-up battery. 4. Built-in E-Wallet Application: Catering Meal Charge, School, Factory, Hotel, Club, Car Parking, etc... 1. RFID Smart-card meal Service can issue card, recharge, consume, subsidize, return card, count, enquire, ...