Model: HK333-2 Voltage: 12V-13. 5V DC Current: Ldling<9A Load<14A Max air pressure: 170PSI Size: 21*20*17cm Max air flux: 30 liters/minute Use: Suit for tire inflation of small vehicle inflatable, boat box score air cushion bed. Specialities: fitting out many kinds of air joint, wildly used, fast inflation.