DT104 can management 1000 users; Stand alone single door access controller with built-in EM ID proximity card reader stable and convenient to use; Small and compact case with full epoxy potting works with interface connecting one external wiegand26 EM ID reader; Flashing backlight plate makes your logo outstanding from competitor. (customized logo with different color back light is optional); Specification Power:12VDC at 100mA (not includes Lock driver); A linear regulator is recommended; Interface: Wiegand26; Reader range: up to 8cm; Frequency: 125KHz; Support card: EM ID card or EM 4100 compatible w/ RFID cards; Operation temperature: -10~+70'C; Operation humidity: 5%~95% (no condensing); Audio / Visual Indication: Green LED backlight and buzzer signal output; Waterproof grade: IP65; Dimension: 80 x 43 x 17mm; Weight: 150g