Size: Full (with splashguard) - 18 inch dia. block, Small (splashguard removed) - 13"" dia. block; Brush/Block Speed: slow - 200 rpm, fast - 300 rpm; Motor: 1 1/2 Hp operating at high speed, 3/4 Hp operating at low speed; Motor Type: DC rectified with 4 carbon brushes; Noise Level (A) scale at 3 m: 63 dB; Weight: 89 lbs (40 kg). Splashguard Material: soft polyethylene; Extra Available Weight: 20 lbs (9 kg); Water Tank Capacity: 4 gal (16 L); Power Cord: 50 ft; Water flow direction (from water tank) down onto brush or, with valve turned, sideways onto Scrub Jay. Time to remove Splashguard 30 seconds. Baseboard cleaning time 6 to 10 times faster than cleaning by hand. Please contact your local Wesclean representative for more information.