... one segment of time raise and down control YUDIAN programmable temperature controller AI-216P,one segment of time raise and down control. ... 1 stands for Model seriesAI-216P, standard artificial intelligence temperature controller 0.3%FS±1°Caccuracy. 1°C or 0. ... 50-60Hz.Power consumption: ≤3W.Ambient temperature: -10~+60°C, Humidity: 0~90RH%similar model AI-516P,AI-518P,AI-526P,AI-708P,AI-808P,AI-719P