... : (Internal ) 230VAC±10%, 50/60Hz;(External) 12V/AC, 50/60Hz.5, Power absorption: 5VA max;6, Inputs: 2 NTC probes;7 ... , Default of set temperature: -18°C(00°F);10,Resolution: ±1°C (±2°F);11,Software class: A;12,Relative humidity: 20~85 ... temperature: -30~+80°C;15,Connections: Screw terminal block 2,5 mm2 wiringWire diagram: Newest digital temperature controller with temperature record