Technical Specification:* Air pumping efficiency:≥28L/min
* Capacity of liquid vessel:1000ml
* Range of negative pressure:0.013MPa~0.09Mpa(680mmHg)
* Power supply:AC220V±10% 50Hz DC 12V
* Input power:400VA
* Pump structure:oil-free self-lubricated pump
* Noise:≤55dB
* Work mode:intermittent load continuous operation
1.AC/DC,can use in car
2.battery lasts for more than 2 hours
3.AC DC switch automatically
4.imported diaphragm pump
5.indication for battery full charge
6.automatically stop when battery full charge
7.small size and low noise
8.with an overflow protection
9.oil-free pump is maintenance-free