1.Hair Straightener Module 2.integrated circuit 3.SMT assembly of PCB 4.Supply PCB design and assembly 5.ISO certificated Technical parameters1, Working voltage:120V/220V2, Power:60W(power consumption)Main function1, Three buttons control2, Choose temperature by key-press3, Digital tube display,Degrees bonding options4, Temperature range:80-2005, Three buttons control the power switch and ...