1. Full driving with 40 pin(Vpp/Vcc/GND/TTL), good for furture upgrading. 2. Support 2.5V to 6.5V device. 3. Selectable to use USB or extral 5V power supplier to supply power. 4. Transmission speed is 12MHz/s. 5. Suitable to work with Desktop and Laptop. 6. With current protection fuction, effectively protects the programmer and devices. 7. Automatic Pin status detection. 8. 48 pins self-lock sockets. 9. Support operation system: WINDOWS7/vista/2000/2003/XP; 10. Plastic cabinet, small size and light weight. 11. Auto detect company and type of the IC. 12. Software support: TopWin ver6.0 or newer.