1, package included:1pcs DOP-B07S411 human machine interface HMI touch screen new in box;1pcs programming cable(Only offer it free when you ask for after order. Not ship it default. The communication cable is not included, if you need, please contact us and inquiry it)The software is free(we can send it by email if you can’t download it by yourself)2, Performance specification MODEL DOP-B07S411 DOP-B07S411K Display Type 7" TFT LCD (65535 colors) Resolution 800 x 480 pixels Backlight LED Back Light (less than 20,000 hours half-life at 25 o C) Display Size 154.08 x 85.92mm 154.1 x 87.6mm Operation System Delta Real Time OS MCU 32-bit RISC Micro-controller NOR Flash ROM Flash ROM 128 MB (OS System: 30MB / Backup: 16MB / User Application: 82MB) SDRAM 64Mbytes Backup Memory 32Kbytes Buzzer Multi-Tone Frequency（2K ~ 4K Hz）／85dB USB 1 USB Slave Ver 2.0 1 USB Host Ver 1.1 COM1 RS-232(supports hardware flow control) COM2 RS-232 / RS-485 COM3 RS-422 / RS-485 Function Key N/A User defined key x 4 + System key x 4 Perpetual Calendar (RTC) Built-in Cooling Method Natural air circulation Safety Approval CE Waterproof Degree IP65 Operation Voltage DC +24V（-10% ~ +15%）(please use isolated power supply) Voltage Endurance AC500V for 1 minute Power Consumption 4.0W Backup Battery 3V lithium battery CR2032 × 1 Dimensions (W) x (H) x (D) mm 215 x 161 x 50 Panel Cutout (W) x (H) mm 196.9 x 142.9 Weight 820g 840g Payment : we only accept Paypal for online shopping.shipment:We use DHL,EMS as shipment method in normal.Guarantee:1 year quality warranty.