Ongard og1400 - battery photoelectric smoke alarm manual
Ongard og1400 - battery photoelectric smoke alarm manual
https://www.garlandcables.com.au/wp-content/uploads/2019/01/OG1400-_Residential-Alarm-User-Manual_.pdf
http://updates.clipsal.com/ClipsalOnline/Files/Brochures/W0000427.pdf