DC 5V 3.1A 4 in 1 LED Digital Voltmeter Ammeter Thermometer Dual USB Universal Car Charger Voltage Current Temperature Meter White blue ligh

Description

Dual USB 3.1A output. With temperature and current meter tester. Easy to satisfy your need with dual USB socket. Fixed support helps stabilize the USB car charger. Multifunction product with 10A protection tube, perfect for travel use. Apply to all USB charging mobile phones or other electronic products. This easily installed 5V, 2.1A output port holds your smart phone, GPS, MP3.