5V 3.1A Dual USB Car Charger Digital LED Voltmeter Safety Hammer

Feature: 1. Smooth and bright appearance design is adopted to prevent scratches effectively. 2. Built-in safety hammer function car charger,can easily break the window,safe with you around. 3. Overvoltage, overcurrent, over mild short-circuit protection, more effective protection of your battery and cell phone, so that it can achieve the best job. 4. Intelligent shunt technology, can be charged to about 70%-80% in 35 minutes. 5. Dual USB intelligent output, two mobile phones can be charged simultaneously. Specification: Color: Black,Silver Material: Aluminium Alloy Output voltage: 5V Rated input: 12V-24V Output interface: USB Rated output: 3.1A(Max) Package Included: 1 X Dual USB Car Charger