SPECIFICATIONSPUQPRESS MINI Net weigth: 3.4 KG Dimensions(DxWxH): 19.5×14.1×28.6cm Input: 110-240Vac 50-60Hz Power: Plug type: All Cycle duration: 1.3s Tamper diameter: 53.0 – 58.3mm Suitable for: Works with all types of portafilters.Naked, Single sprout and double sprouts Naked portafilter compatibility: Yes Non-stick coating: Yes Fine adjustment lower damp: No Force adjustment: Steps of 1kg in the range from 10 – 30kg Available colourss: Black & White Certifications: CB,CE, cETLus, KTC, EAC, PSE, ETL sanitation Tamping needs to be exact, each time. That is what this company believes in, and that is why they designed this product.The new features of the Mini PuqPress are: Nano non-stick tamp head reduces coffee build up. New advanced stiffer frame provides even better consistency. New easy adjustment wheel makes setup easier. Using bottomless? Now works perfectly with bottomless porta-filters. Simply place your portafilter in and the tamper is automatically activated giving you the perfect, even tamp in 1.3 seconds, time and time again!Specifications Weight: 9 lbs. UL Approved Tamper Shape: Flat Base 58mm (ask for other sizes) Adjustable Pressure: 22-66 lbs Adjustable height for different size portafilters Dispense Time: 1.3 seconds Clean Mode 2 year / 75.000 Tamps Warranty CAPACITY Up to 2 kg of coffee per week Can I change the tamper of my PUQpress for another diameter after purchasing it? Yes you can, it only takes 30 seconds.If you want to change a tamper smaller than 56mm to a tamper larger than 56mm or vice versa, your upper clamp needs to be changed as well. In that case please contact us for support.