The days of buying the ultra cheap throw away portion scale are over! Take a look at the Doran PC400 Digital Portion Control Scale. Rugged – The PC-400 includes our field proven, exclusive “Quad Spring” base design that virtually eliminates damage from shock and overload. AC/DC – The choice is yours – use the AC plug-in power adapter, or the included internal rechargeable battery for portability. Easy to Clean – The case and removable platter are constructed of food grade 304 Stainless Steel. Wipe down safe, do not spray or immerse. Capacities: 2, 5, 10, & 20 lbs (5,10,20 are NTEP).