PTTC over-current protection, display the voltage, temperature and current alternately by each 10 seconds.
Voltage Measuring Range: 5-25V Current Measuring Range: 0.1A-3.1A.
Charge compatible devices to 80%. Especially fit for iPad, iPhone, iPhone 3G, iPhone 3GS, iPhone 4, iPod.
Conversion Efficiency: 95%. Multifunction product with 10A protection tube, perfect for travel use.
Package Content: 1PC Universal dual USB Car Charger.