Wide Time Range: Digital Cycle Timer Relay Module, Time Range From 1 Second To 999 Hours Dual Led Display: Red And Blue Dual Led Display Module And Touch Buttons, Easy To Set The Delay Time And Working Mode upport Multiple Working Modes, Including Timer, Cycle And Period Working Modes, Meet Most Of Your Needs Direct Output, Input=Output, 9 Combinations Of Timing Units, Supports Manual Trigger Embedded Installation, Suitable For A Variety Of Application Scenarios Product Name:T3231 Controller Output Type:Active Output, Short Circuit Prohibited, Pay Attention To Safety Relay Type:1-Way Normally Open Relay Timing Unit:Seconds/Minutes/Hours Timing Range:0-999, Minimum Measurement Unit:1 Second Support:Cycle Switch, Delayed Startup, Delayed Shutdown, Infinite Loop Save After Power Off:Supported, Only Save Settings, Reset After Power On And Restart Buzzer Alarm:None Limited Cycle:1-999 Times Adjustable Cycle Trigger Mode:Automatic Trigger/Manual Trigger External Trigger:An External Trigger Port Is Reserved, And A Trigger Device Needs To Be Installed By Yourself. Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Type:B:110-220V_1500W Colour:As Shown Material:Plastic Package Contents: 2 x Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.