ITEM NAME:Safe Block Circuit Protection Auto Parts Stereo Seats Fuses Box Car Accesso P1M5 Safe Block Circuit Protection Auto Parts Stereo Seats Fuses Box Car Accesso P1M5 The voltage display is the insurance holder will stay energized Digital LED Minimum Power Consumption If you do not want the long-term exposure,you can put the safe ground seat is not connected,grounded when you need to check the line signals can be displayed! Gold-plated,with voltage display! Color:gray + blue Material:zinc alloy Fuse Holder up to 60A/100A Size about:86*25mm Package Contents: 1 * Display Fuse Holder.Fuse Holder up to 60A/100A. 1 Display Fuse Holder. Material:zinc alloy.