The smoke machine can reach about 60 square meters. Natural disinfection formula, safe and efficient; remove odor and fresh air; long-lasting bacteriostasis, lasting bactericidal effect; protect the family from diseases. it has a power protection switch when out of smoke oil, it can help to protect the machine's useful life. his is a 900W thermostatic smoke stage Fog Machine or Disinfection and Sterilization Fogging Machine. It can be used with stage smoke oil or with disinfectant.