Manufacturer Keri Systems Incorporated Model MS-5000 Reader Dimensions 4.3″ H x 3.0″ W x 0.38″ T (109mm x 76mm x 10mm) Color Black Reader Frequency Frequency 125 KHz excitation, 62.5 KHz data return Operating Temperature -40 C to +65C Voltage Input 4.5 to 14 VDC Read Range Up to 6″ (15cm) Warranty Lifetime Warranty Weight 1.0000