... 18T 2.ISO9001,ROHS 3.switch life:25000 cycles min, 4.rotational life:15000cycles, rotaryISO :11mm rotary encoder with switch and metal shaftmodel :EC11 ... is DC5V 0.5mA,4.Click troque is 80~200gf/cm,5.Rotational life is 15000cycles,6.Switch ratings is DC12V 50mA ... 0.4mm,8.Switch working torque /force is 500± 200g,9.Switch life is 25000cycles min., 11mm rotary encoder with switch with metal shaft