This is 90 channels Manual & remote control firing system.
which can digital display total firing time and separate firing time,  firing channels, rapid time. It can make point fire, rapid fire, step fire,remote control, memory and demo function. (time range:0.1-9.9S)                                 
1.Power source:110/220V AC.                       
2.Firing Capacity: 20-30pcs in series,10pcs ignitors in parallel.      
4.with 3pcs 30groups panels and 100M cables(80m+10m+10m)