ULTRA SLIM & SMALL: This compact aluminum alloy coated car charger packs a powerful punch with a combined 3.1A output. OWN A TABLET AND SMARTPHONE? Charge both at the same time with an 1A & 2.1A charging ports. iSMART TECHNOLOGY automatically adapts suitable input current for your devices and maximizes the charging speed. AUTOMATICALLY ADJUSTS THE VOLTAGE received from the vehicle so your device always charges at a constant rate. EXTREME POWER REQUIRES PROTECTION: Sophisticated circuit design ensures devices are safe from over-heating, over-current and over-charging. LED INDICATOR Plug-In ready with blue LED indicator light.simply plug the charger into your car’s cigarette lighter,and it’s ready to start charging one or two portable devices at a time A discrete LED indicator light will let you know the charger is properly positioned and ready to charge. SAFETY PROTECTION Over-heated,over-current,over-charging protection,Unique Safety Hammer Function, ensure the security of critical situations. WHY CHOOSE IT √ High-quality metal alloy design,extraordinary temperament. √ Intelligent Multi-circuit protection system to adapt to the complex automotive supply environment. √ Dual usb outputs to meet the charging requirements of high-power devices. √ Perfectly compatible the charge for the tablet,phone,laptop,MP3 players,GPS and other digital device. Specifications: Product Name: Stainless Steel Metal Car Charger Product Size: 602222mm Gross Weight: 40g Material: stainless steel alloy Intput Voltage: DC12V-24V Output Voltage: 5V Output Current: 2.4A(MAX) Certified: FCC/CE/ROHS Functions: Special design,stainless steel material,unique safety hammer function