• Dual USB car charger includes seatbelt safety cutter and safety hammer in case of an emergency
• The sharp seat belt cutter allows you to free yourself quickly in an accident
• The hammer function instantly breaks windows with a single tap, freeing you to escape
• Features 2 USB ports to charge two devices simultaneously
• Compatible with most smartphones, tablets and other devices
• This is a great emergency device that every car needs to have
• LED digital display screen is for charging indication and voltage detection

Specification:

• Input voltage: 12-24V 
• Output voltage: 5V 
• Output current: 4800mA