The KR503E is an access control reader that is a single gang size. With a built-in Wiegand-Out port, KR503E can be connected to most any access control panel. 

Technology:

125 KHz Proximity

Range:

Up to 1 inch

Indoor & Outdoor Installation:

Electronic sealed in weather and tamper-resistant epoxy potting

Power Supply

+5 -16V DC

Dimensions:

4.6 x 3 x .4 inches (117 x 76 x 10 mm)