DC 12V-24V Car Boat Dual Socket USB Charger Voltmeter Switch Panel

Widely used with electrical equipment for powering: vehicles, GPS, mobile phones, etc. Suitable for all USB charging mobile phones or other electronic products. Charge multiple accessories simultaneously; very convenient and easy to use. The digital display shows the precise voltage. Includes a cigarette lighter wiring kit for installation in any 12V-24V boat, camper van, or car. A small, multifunctional product, perfect for travel. Input: DC 12-24V; USB Output: 5V 1A / 2.1A; Indicator: Red LED; Product Size: 87x104mm; Color: As pictured; Material: ABS; Package Contents: 1 x Dual USB Charger. Only the above package contents are included; other products are not included. The measurement allowed error is +/- 1-3 cm.