Features 1. The first current limiting voltage limiting cigarette lighter with switch 2. Dual USB battery voltage detector 3.1A large current intelligent distribution 3. The battery voltage display with separate switch intelligent current output PPTC 4. Intelligent dual-chip high-speed charging Product manual Material ABS Input voltage DC12V-24V Output voltage 5V Output Power 120W 3-hole Output Current USB1 1100MA USB2 2100MA Color black Operating temperature 0 ~ 40 Degree Size 9.2*6.6*3.2cm / 3.6*2.6*1.3" Package Included 1*Car cigarette lighter 1*Fuse