The Powder Toy

Ionisation smoke detector by berowra290919971061998

berowra290919971061998
berowra290919971061998
3 / 0
11th Jul 2011
11th Jul 2011
When the green light is flashing everything's OK. When the green light is ON, then there's smoke in da house!
smoke detector ionising radioactive americium decoration

Comments

  • stepan243
    stepan243     1st Nov 2023
    more like photoelectric smoke detector