SS-168 Smoke Detection Alarm (Banggood, Aliexpress: Material: ABS, 9V 6F22 battery (the best price with coupon)).
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Price history and price alert
Check out price history chart (for all/most countries) for SS-168 Smoke Detection Alarm. The lowest price was: $4.09.
Price records source(s): Gearbest
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You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).