Manufacturer Keri Systems Incorporated Model P-300-H Reader Dimensions H 3.0 x W 1.5 x T 0.49 inches (76 x 38 x 12mm) Color Off White and Black colors standard in each box Technologies Supported Wiegand and ABA Track II magnetic stripe (clock and data) w/ HID compatibility Reader Frequency 125 KHz excitation Operating Temperature -40 C to +65 C Voltage Input 5 – 16 VDC Read Range Up to 4 inches (102mm) Warranty Limited Lifetime Warranty Weight 0.5000