Dual purpose fire alarm is a bargain price for this particular model. Takes only 2 AA alkaline batteries, NOT the expensive lithium 9 Volt batteries that the other brands use.
Verified purchase: Yes | Condition: New
Dual sensos smoke alarms offer better protection than single sensor.
Verified purchase: Yes | Condition: New
long life battery
Verified purchase: Yes | Condition: Pre-owned
Great, trusted dual sensor product.
Verified purchase: Yes | Condition: New
good product
Verified purchase: Yes | Condition: New
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