ZKTeco Multi-Technology HID Proximity Card Reader with Single-Gang Wall Box Mount (KR503H)



ZKTeco Multi-Technology HID Proximity Card Reader with Single-Gang Wall Box Mount (KR503H)

2 Year Warranty
ZKTecos’ KR503H proximity card reader is ideal for any access control scenario where you are limited to a narrow mounting surface where a standard proximity card reader would be too large and bulky. This particular model can be mounted on flat surfaces or on single-gang wall boxes.

When it comes to compatibility, the KR503H has a built-in Wiegand-Out port which can be connected to almost any access control panel (including ZKAccess C3 and InBio door controllers). It’s capable of reading both HID and ZKAccess 125 kHz 26-bit proximity cards.

With an IP67 weatherproof rating and tamper-resistant technology, you can rest assured that your proximity card reader is built to last. Check out the specs below to learn more!

Proximity Card Reader


This proximity card reader is capable of reading both HID and ZKAccess 125 kHz 26-bit proximity cards.

Wiegand-Out Port


This reader’s built-in Wiegand-Out port allows the reader to be used with most Access Control systems, including ZKAccess C3 and InBio door controllers.

Mullion-Size Narrow Construction


You have a couple of options when it comes to mounting surfaces. You can mount this on a flat surface, such as a wall. But you can also mount this directly to a single gang wall box.


This card reader has an Ingress Protection (IP) rating of 67. This means the proximity reader is completely protected from dust and other solid particles. It can also withstand being submerged in 3 feet of water for up to 30 minutes.

Rest assured that when you install your reader outside, it will have no problem withstanding the elements.


  •  After shipping, items are usually delivered
    within 1-5 business days.

  • Items are usually
    shipped from distributor/manufacturer warehouse within 1-4 business day(s).
     On rare occasions it can take longer if
    item is on backorder or sold out.

  • Returns

    Items may be returned
    within 30 days from the date of receipt. Items must be returned in exact
    condition it was shipped with all original box, accessories, books, etc. There
    may be 15% restocking fee and customer is responsible all shipping cost. We may
    refuse to refund any items which are returned damaged or in unsalable

  • Warranty

    This item includes total
    of 2 Year Warranty.

Additional information

Weight 1 lbs
Dimensions 4 × 4 × 3 in