Powered by 240Vac 0.25A diaphragm pump Pump is enclosed in small plastic case with a special reusable filter to trap particles over 100 microns Pump has sufficient suction to hold up to 100g 1.5m PVC tubing connects 128mm x 13.5mm handpiece to unit Handpiece 4 x suction caps.4,6.3,9.5 & 12.7mm dia 3 x probes. 0.65, 1.1 7 1.45mm O/D x 50mm Lg