Adams Rite 8622LR Narrow Stile Electric Latch Retraction Concealed Vertical Rod Exit Device For Aluminum/Glass Doors. Patented top latching mechanism interlocks door to frame. Top and bottom adjustable steel rods. Pushbar anodized or clad which is not plated in a variety of finishes. Easy to install Clean and unobtrusive design. Strong durable construction for a high level of security. The LR option uses a solenoid mounted in pushbar for instantaneous unlocking and locking of the exit device from a remote location or access control device. Because electrical operation of device it's fail-secure also this option can be used on fire-rated as well as life-safety applications. In the event of a power failure device automatically relatches. Requires the use of PS-LR Power supply which will power two exit devices. Solenoid specification (16 Amp inrush/.5 Amp hold). Solenoid are rated for both intermittent and continuous operation.