3 ms·
Wow, where I am you can get a photoelectric smoke alarm for approx USD 7, or one with a 10 year battery for US$12. Ionisation type detectors are pretty much gon
by sitharus 4y ago
Wow, where I am you can get a photoelectric smoke alarm for approx USD 7, or one with a 10 year battery for US$12. Ionisation type detectors are pretty much gone from the market.