... hole size 45*77mm 220/50HZ 180G Numeral display style timer adopt CPU and 3-LED display ,it applies special ... metallurgy, electronic, machinery, textile, plastic, medical treatment, electric oven and toast oven, i.e.Performance Indexes1. Display method3-LED display directly ... installation frame.Application methodAfter the instrument is wired,set the switch at the required setting value of the time, then ...