1.Turn on the light switch will work. 2.Convenient to charge your device while driving. 3.High quality vehicle cigarette lighter adapter. 4.Keep the voltage stable to prevent the devices from overcharging. 5.Dual USB charger suitable for mobile phone, GPS, iPod and PDA. 6.Usage: Connect the car charger to the cigarette lighter and insert the car charger adapter connector into the PDA to realize PDA recharging. 7.DC 12V / 24V DC using only
