CO报警器: Kiddie night hawk with digital display. I use an older model of this. Looks very nice. I just sold my extras on eBay, very popular. newer model doesn't look as professional
【在 i****a 的大作中提到】 : CO报警器: Kiddie night hawk with digital display. I use an older model of : this. Looks very nice. I just sold my extras on eBay, very popular. : newer model doesn't look as professional
according to manufacture's recommendation, 1 in each room, hallway, kitchen, livinging room next to fire place, garage. so maybe 15 for you... but I only kept 1 near upstairs in hallway, near bedrooms.