Specifications:

• Voltage:DC 4.5-6.6 V
• no-load current: 0.15A
• Pressure range: 400-650mmhg
• Maximum vacuum: -350mmhg
• Weight :65g
• Control mode: Change pulse width
• Stop:1000usec
• Start up:2000usec
• Three-way electronic valve
• Rated voltage :DC 6V
• Current : 220mA
• Suitable voltage: DC4.8-6.6v
• Power  :2W
• Pressure range: 0-350mmhg
• Thread length: 15cm
• Weight : 16g
• Control mode: Change pulse width
• Stop:1000usec
• Start :up 2000usec
• Silicone sucker rod
• Installation size Installation hole diameter 10mm
• connecting rod size Total length of connecting rod 60mm (there is a little error in different sizes of batches)
• Connecting rod operation The telescopic activity range of vacuum connecting rod is 18mm
• Suction Cup Size  The diameter of the suction cup is 20mm

Kit include:

• Vacuum 2 air pump *1
• Three-way electronic valve *1
• Vacuum telescopic connecting rod + suction cup *4
• Silicone trachea 800mm*1