General description The Motorcycle Charger Dual 2.1A USB Charge Voltmeter Phone Charger is designed for charging two devices simultaneously while providing essential voltage monitoring. It features a built-in digital blue LED voltmeter that displays the real-time voltage status of your vehicle's battery, ensuring you avoid issues related to low voltage. The charger is waterproof and made from durable PC material, ensuring safety and stability even in high temperatures. Technical specifications Input Voltage: 12V~24V Output Voltage: 5V Output Current: 4.2A Working Temperature: -40 to 80 (℃) Color: Black Material: ABS Dimensions: Measurement allowed error is +/- 1-3 cm Compatibility and accessories Compatible with 12/24V vehicles, including cars, boats, motorcycles, and RVs Suitable for charging mobile phones, GPS devices, digital cameras, and other USB accessories Package Contents: 1 x Motorcycle Dual USB Charger Socket, 1 x Accessories Installation Easy installation process Connect