Mifare/ Desfire proximity reader (UID). USB interface. Keyboard emulator, eliminates the need to write code manually. It reads the same UID as the ZKTeco terminals. Compatible with any ZKTeco software. Reader status indication by red and green LEDs and buzzer. ABS plastic housing in black color. Operating temperature: -10 to 70ºC. Dimensions: 140 x 100 x 30 mm. USB power supply: 5 Vdc. Maximum consumption: 100 mA. Compatible with Windows 98/2000 / XP / 2003 / Vista / 7.