Product Description Special car pre hole installation,CE certification quality,environment protection and flame retardant material Power harness with fuse overload protection(F2AL 250V) for safe and fast charging Built in smart voltage monitor with LED digital display,shows you the real time accurate voltage status of your vehicle,more security Dual USB interfaces,quickly charges for 2 USB-devices simultaneously Honda USB+Type-C+PD+digital display,no cover with power extension cable Product Parameter Product Name:USB Charger Light color:blue Input voltage: DC 12V-24V Size:4cm*2.2cm Material:ABS plastic Placement on vehicles:interior .