Here is price history (for all/most countries) for Digoo Wired Alert Siren. The lowest price was: $3.39.
Price records source(s): Banggood Click on image to enlarge. 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)).
Looks Tiny & Great~, Wireless Frequency 433MHz, Size 45mm Diameter Round, Color Black & Silver, DG-HOSA will ring~, when some one press it, Detecting Distant 50m-70m, (It is about the size of the Digoo M1Q lens.), Convenient Function Stick one near your door.
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Price history (for all/most countries) for Digoo 433MHz DoorBell Button is here. The lowest price was: $3.39.
Price records source(s): Banggood Click on image to enlarge. 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)).
Static Current <=10uA, bath etc), drawer, When someone pass it by, wardrobe, Triggering Distance 25-35mm, Emission Current <=15mA, Working Temperature -10℃ ~50 ℃, Emission Frequency 433MHz, Under Voltage Monitoring 7.5 V+/-0.5V, Voltage 3V Button Battery, (such as door, window, (Already includes for your convenient using), Emission Distance >=120 m (Open area), DG-HOSA will ring, Convenient Function Simply put it any please you want in your home: ).
Aliexpress
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Price history (for all/most countries) for Digoo 433MHz Window Door Sensor is here. The lowest price was: $3.39.
Price records source(s): Banggood Click on image to enlarge. 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)).
