Fully self-contained Easy to set up and operate 3-way air/water syringe Powerful saliva ejector suction Dual handpiece control with manual selection Compatible with Midwest 4-hole or Borden 2/3-hole pneumatic handpieces Powerful internal oilless air compressor provides over 32 psi to handpieces and syringe 1 Liter water reservoir Ample 32oz waste container Includes On/Off Footswitch All components pack into sturdy carrying case for easy transportation Integrated combination lock Dual voltage switchable Dimensions: 12.5"x 17.5"x 7.5" (31.8 x 44.5 x 19.1 cm) Weight: 28.5 lbs (12.8 kg) Manufactured in the USA Deluxe Model Includes Handpiece off-switch to run suction independently Water connection for external scalers