... digital temperature controller with temperature record ISO, TUV, ROHS Alarm at temperature overlimit temperature recor Digital Temperature Controller:Features:Special designed with big LED ... Power supply: (Internal ) 230VAC±10%, 50/60Hz;(External) 12V/AC, 50/60Hz.5, Power absorption: 5VA max;6, Inputs: 2 ... block 2,5 mm2 wiringWire diagram: Newest digital temperature controller with temperature record