The RB-1D, designed to secure the power supply for emergency broadcast equipment, features LED indicators and an aluminum plate for durability. - Model Name: RB-1D - LED Indicator: Equipped with LEDs for at-a-glance status monitoring - Box Compatibility: Compatible with single-gang boxes - Aluminum Plate: Aluminum plate specification Both items are unopened. Please check the manufacturer's website or other sources for details based on the part number. Shipping is planned via Yu-Packet Plus. Thank you. ※ No returns. ※ No price reductions.