1.suit for agricultural smoke machine,sprays and so on. 2.Continous discharging Time: 10 minutes 3.Life:more than 3000 hours HERE IS SIHON ELECTRONICS CO., LTDfavourable (If you buy ten sets ,we will send you other one for free, also twenty for two and so on ) 1. Usage: This product is 6v dc smoke machine igniter, input voltage for 6V.Suitable for agricultural smoke machine, agricultural sprays, ...