Electronic Timer, Suitable For Automatic Control Of Street Lights, Neon Lights, Billboards, Production Equipment, Televisions And Other Electrical Appliances.Real-Time Display Function, 24-Hour Or 7-Cycle Programming Days, Reset Button, Mounting Method: Rail Mounting.Auto-Lock: Whenever No Entry Is Made Within 15 Seconds, The Timer Is Automatically Locked. Effectively Prevent Accidental Contact And Implement Safety ProtectionAhc15A Timer Relay: Easily Set Up To 16 Independent On/Off Schedules, Time Range From 1 Minute To 7 Days.Design Of The Dustproof Flip Cover: Raised Soft Rubber Keys Are Clear, Concise, Beautiful And Easy To Operate. The Flip Cover Design Can Keep Dust Out And Prevent Accidental Touches From Interfering With Settings.