Ionization Smoke Detector
 
   
 
   
 
   
 
   
 
   
 
   

1. Ionization detector requires the use of AM241 (Americium241) radioactive materials
2. Half life approximately 400 years
3. Local regulation to store, transport, disposal of radioactive materials -> manpower, resources
4. Improper handling can cause certain degree of danger to human beings and the environment
5. Contamination after fire occurrence