1FINE WORKMANSHIP: Made with ABS flame retardant material, this car charger panel is durable and environmentally friendly, with IP65 waterproof rating. 2AUTOMATIC FUSE PROTECTION: Equipped with an automatic fuse to defend cables and receivers from overload and short circuits in devices. 3UL 1015 STANDARD COMPLIANT WIRING: The connection wires meet UL 1015 standard, resistant to oil, solvents, acids, and do not spread flames. 4EASY INSTALLATION: Pre wired with red for positive and black for negative, simply connect for immediate use with overload protection. 5VERSATILE APPLICATION: This voltage board is ideal for boats, yachts, RVs, buses, and more, providing a reliable and convenient voltage display for various vehicles. 1 x Digital Voltage Gauge Panel 4 x Mounting Screws