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TECKNET Door Alarms for Kids Safety, Door Alarms When Opened, Window Alarm with Smart Voice Alert, 4-Level Adjustable Volume, Refrigerator Sensor

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$11.99 $19.99 In stock
  • Multi‑Mode Intelligent Alarm:4 smart modes: Delayed alarm (voice prompt after 1 min open), Loud alarm (110dB after 4 min), Instant alarm (immediate 110dB), Chime (single “ding‑dong”). Switch via SET button clicks.
  • 4‑Level Adjustable Volume:Choose from 65/80/95/110dB. Up to 110dB with flashing red light for enhanced alert – ideal for windows, doors, pools.
  • Strong Battery Life:Powered by 3 AAA batteries (900mAh) with low‑voltage reminder (<3.6V triggers beep + light). No frequent replacements.
  • Suitable for Multiple Environments:ABS material resists impact and wear. Operating range: -10℃ to 55℃. IP44 rated – splash‑proof and dust‑proof for indoor use.
  • Easy to Install and Use:Toggle switch for on/off. Magnetic trigger when gap exceeds 20mm (±5mm). Keep surface clean for proper operation. SET button switches modes instantly.
  • 36‑Month Warranty:Contact our professional support team for any issues. Backed by TECKNET 36‑month warranty (registration required).
  • (1x delayed, 2x instant, 3x doorbell). Mode resets after power off. If no response, press SET repeatedly until beep.
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Customer Reviews (5.0 / 5 · 5 reviews)

Henry ★★★★★

Bought these mainly for the back door my 3-year-old figured out how to open. The instant alarm mode is loud enough to hear from upstairs, and I like that I can switch it to a chime for daytime so it's not constant noise. Volume dial goes lower than I expected too.

Evelyn A. ★★★★★

Stuck one on the fridge because my toddler keeps sneaking snacks, and the chime mode is loud enough to hear from the living room without being obnoxious. The instant 110dB setting is what I use on the back door at night. Four volume levels means I actually use it differently depending on the door.

Benjamin ★★★★★

The delayed alarm setting is perfect for our fridge—we get a voice prompt after a minute instead of