Features: 1.Wide time range: Digital cycle timer relay module, with a time range from 1 second to 999 hours 2.Dual led display screen: Red and blue dual led display module and touch buttons, easy to set delay time and working mode 3.Supports multiple working modes, including timed, cyclic, and periodic working modes, to meet most of your needs 4.Direct output, input=output 5.Installation size: 77*39.3mm, embedded installation, suitable for various application scenarios Parameters: Product name: t3231 controller Working voltage: dc12v/240w dc24v/480w ac110-2220v/1500w (optional) Output type: active output, live output, output voltage=working voltage Relay type: 1-channel normally open relay Timing unit: seconds/minutes/hours Timing range: 1~999, minimum measurement unit: 1 second Single delay on/off: support Infinite loop on/off: support Switching priority adjustment: supported Automatic trigger: supports Power off saving: supports power off saving settings Reset and restart: supported Unit synchronization: synchronization, only 3 combinations of timing units available Manual trigger: not supported External trigger: not supported Set lock: not supported Product size: 79.5*42.1*27.8mm Installation opening: 77 *39.3mm Package include: Delay relay*1