This surface electric lock release is designed for secure remote control of door opening. It features a reversible design suitable for right or left doors and operates automatically at 12Vac to unlock the door, relocking once power stops and the door closes. Compatible with electronic door entry systems, it enables visitor access from a home telephone or monitor. Easy to install and includes an electrical mechanism and cover for protection. Dimensions are compact for versatile use. Enhance your security with this reliable and efficient lock release device.