Track 1 magnetic stripe card reader for interior or exterior use. Metal construction (cast zinc) for heavy duty applications. Surface mount. Supports NC format 32-bit Wiegand and ABA track 1 encoding (consult factory for special configurations when using existing ABA encoded cards). Dimensions: 1.5" H x 1.6" W x 6.25" D (3.9cm H x 4.0cm W x 16cm D). Operating temperature range: -40Â° to 185Â° F (-40Â° to 85Â° C).