... voltage is 220V ,and control the circuit during the scheduled time.Technical Index1. Display method4-LED display directly the time2. ... s 'general', 'lower' is disconnect, 'general', 'higher' is connect;at one time ,a couple of LED at right side start timing,until ... s 'general', 'lower' is connect, 'general', 'higher' disconnect; at one time left side start timing again,circle control like this.4. ...