Click to expand Tap to zoom ZKTeco KR503E Waterproof Proximity Card Reader (125 kHz) by ZKTeco Sale $44.00 | / SKU GS-SU-2047A 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Great Condition, Slightly Used. Read range of up to 10cm for proximity card and 5cm for Mifare card External LED control External Buzzer Control Indoor/Outdoor operation Solid Epoxy potted Waterproof IP65 Reverse Polarity Protection