Real-time relay timing and clock synchronization time control delay 24H timing 5 time periods. Wide voltage power supply 5.0V~60V A mode can be set for multiple time periods,can reach 5 time periods;With a buzzer alarm function. Mode introduction: OPE:relay closing time point , CLE:relay off time point Time period PE-1-PE-5 5 time periods ( OPE to CLE is a time period) "----":function shielding P-1:The relay closes or outputs pulses every day to the OPE time point , and the relay turns off or outputs pulses to the CLE time point . P-2:set the day , to the OPE time point when the relay closed or output pulse , to the CLE time point when the relay disconnect / or output pulse. P-3:set the date of the month,to the OPE time point when the relay closed or output pulse,to the CLE time point when the relay is off or output pulse . P-4:Set the date 1 to date 2 , start every day at the OPE time point , end to the CLE time point , relay action or output pulse . P-5:As with P-4,only the month can not be set. Colour: blue Material: plastic Package Contents: 1 * Timer Relay Module Only the above package content, other products are not included. Note: Light 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.