1.CQC IS 9001:2000 ,SGS ,CCC,VDE,UL 2.9 years' manufacturer 3.provide OEM,ODM Specification of TACT switch series Temperature ... Operating Force:100/130/180/230/280±30gfApplication of TACT switch series Widely apply to:1.Audio Products:MP3,MP4,DVD ... E-mail to us. Thanks for your visit. TC-1105 Miniature Tact Switch