Waterproof Prying Resistant Door Access Machine use metal material prying resistant and waterproof function (IP65) applies to 1200 users use independent single entrance guard controller. The controller with built-in EM ID card/EM compatible card of entrance guard reading head function modules and 2 * 6 metal buttons with backlight. Especially suitable for stream entrance guard management conditions. Type ST201 entrance guard controller using the epoxy resin encapsulation have advanced programming function and flexible mode of operation. Unit can manage up to 1200 users the user can use the card to open door and/or password. Built-in door reading head. Read card from 4 to 10 cm Modulation ASK at 125kHz.