Features: 1. Power Supply: DC12V2. Relay Current: <50mA3. Dimensions: 47*40mm Instructions: 1. Please pay attention for your first use. You need wait 6s after your setting data, the module will save the date you have set after 6s.2. Short press button SET: If you start the time setting mode , Nixie tube will blink. You could adjust the time T1 and T2 by button+ and button-. Please wait 5s after your setting date, the module will save the date you have set after 5s3. Long press button SET: if you start the parameter setting mode. There are two group parameter for your choice : P0 and P1. You could switch P0 or P1 by short press SET. Under the parameter P0 and P1,you could set the timing mode by the button+ and button-. P0--0: timing mode is 0--999 secondsP0--1: timing mode is 0--999 minutesP0--2: timing when the pattern is 0--999P1--0: T1 time delay relay (T1 timer)P1--1: T1 delay time relay releases (T1 timer)P1--2: time delay relay after T1 (T1 timer), then the delay time T2 successor electrical release (T2 timing) ends.P1--3: T1 delay time relay releases (T1 timer), then the delay time T2 successor Electric energized (T2 timing) ends.P1--4: time delay relay after T1 (T1 timer), then the delay time T2 successor electrical release (T2 timer), repeat the cycle.P1--5: T1 delay time relay releases (T1 timer), then the delay time T2 successor Electric energized (T2 timer), repeat the cycle. Package included: 1 x DC12V Relay Module Dual LED Display Cycle Relay Module