Emergency Suction Unit (AC/DC) (AM-23B. II) AM-23BII portable electric suction unit can meet the requirements for suctioning pus, sputum and other thick liquids in surgical operations and in household healthcare, and may also be used in suctioning of other purposes. Features : This device is suitable for AC and DC power supplies can be connected to car-carried power supply. This device is able to store and supply power itself, with duration being morethan 2hours. AC and DC power supplies can be automatically switched over without affecting normal use. The device is equipped with a imported membrane pump available with long service life. This device is available with full charge function. When the device fully charged, the charging will be automatically stopped. This device is particularly suitable for ambulance and field applications because of its small volume. This device is equipped with an overflow protection unit to prevent liquid from getting into pump body. AM-23B. II portable emergency suction unit adopts AC/DC power supply and battery as standby power supply. It can be applied in suctioning secretions, blood and other substances that cause blocking in respiratory tract, and may also be used in suctioning required in other surgical operations. It is especially fit for first aid in the outdoor circumstances and on ambulance and where there is no power supply. Where there is power failure from electric grid, the AC/DC will switch automatically to ensure normal use. Technical Specifications: Negative pressure value: ≥ 0.09Mpa9Mpa9Mpa Air pumping efficiency: ≥ 20L/min/min/min Pump structure: Oil-free pump Liquid vessel: 1000ml Adjustment range of negative pressure: 0.013 - 0.09Mpa Mains: AC 220V ± 10% 50Hz DC 12Vz DC 12Vz DC 12V Input power: 150VA Working mode: Intermittent loading, continuous operation