Features:
◆By knowing the amperage you know whether or not your device is charging at the optimum speed
◆Voltage is also important. Knowing what kind of voltage is being put out helps you to know the health of your battery
◆When plugged in to your car cigarette lighter, it features a blue digital display. That display includes: voltage & Amps
◆When the voltage is below 12v or above 24v, the buzzer alarm will automatic ring
◆Nickel-plated shrapnel, not easy to rust
◆Our 2 usb port design allows you to simultaneously charge 2 of your power hungry devices

Certificate: CE, RoHS, FCC

Specifications:
◆usb port: 2
◆input: DC 12-24V
◆output: DC 5V/4.8A /(2×2.4A)
◆item dimension: 7.4×3.8×3cm / 2.9"×1.5"×1.18"
◆shell material: ABS + fireproof PC

Device Supported:
◆Tablet PC
◆Cellular Phone
◆Smartphone
◆iPad, iPhone

Package Included:
1 × dual port usb car charger

• With LED screen, to show voltage and current
• Smart IC and fuse: overload, over voltage, over heat, over current and short circuit protection.
• Safe & Reliable: Certified by RoHS, CE & FCC. Charging will be automatically stop when battery is full
• When the voltage is below 12v or above 24v, the buzzer alarm will automatic ring
• Perfect Fit: Latest smartphones, GPS, Tablet PC, Power bank etc

With LED screen, to show voltage and currentFIXED Star