Material: Made from premium materials, the current connector offers durability and reliability for long-term use Design: Specifically designed for door access control systems, connects the door leaf and door frame without wires Suitable for Door: Tappet contacts are suitable for all types of single and double doors Feature: Applicable for door access control, ideal for electric locks, allows current to pass while the door remains closed, protects wires and prevents damage Package Includes: 1 set of 2 tappet contacts power transfer device, 1 for the door leaf and 1 for the door frame Specification: Material: PP Maximum Current: 5A Maximum Voltage: 0-36VDC/VAC Size Chart: White 2 Terminals: 5.8cm x 1.6cm / 2.28 inch x 0.63 inch White 3 Terminals: approximately 7cm / 2.76 inch Black 2 Terminals: 5.8cm x 1.6cm / 2.28 inch x 0.63 inch Package Includes: 1 Set Tappet Contacts Note: Please allow slight measurement errors of 1-2cm / 0.39-0.79 inch due to manual measurement