Indala Slim Interfaces: Wiegand 5 inch Black Color Part Number: FP3511A Type: RFID Reader Power Supply: 4-16 VDC Feature: Can be mounted on any wall where limited space is an issue or where a slim, modern look is preferred to a wallswitch-size reader. Ideal for mounting on door frames. Suitable for indoor or outdoor use. Transmit Frequency: 125 kHz Environemntal: IP55 Current Requirements: 65 mA Dimensions: 4.50 x 1.70 x 0.80 Operating Temperature: -35°C to 65°C Humidity: 0-95% RH, non-condensing