Model: 18鍵，33鍵
JH-SFR33 Waterproof flexible Number Pad Certificate: CE & FCC & ROHS-Compatibility: IBM AT,Windows98/2000/XP-Communication: USB, PS/2 COMBO(USB+PS/2) port-Dimension(mm):160(L)*135(W)*8(H)-Keys High :4.0mm-Keyboard N.W.:100g-Layout: 32 keys+ Calculator 1Keys-Keyboard Color: Orange, any color as require-Electronic Data:+5V DC@250Ma-Total travel: 2mm??Packing info : PVC Suck card(Retail packing)QTY: 100pcsG.W.:17.0KgMEAS:60*34*42cm