Home Smoke Detector Carbon Monoxide ($16.99)

Cheaper than your Netflix backlog: $16.99 (Banggood). Alarm volume: ≥70dB (at 1 meter in front), Sampling method: natural diffusion, Relative humidity: ≤95% RH, Alarm mode: sound and light alarm, Product size: 33*104mm, Working power supply: DC4.SV3 AA batteries, Service life: 3 years, Environmental conditions: Indoor temperature -10°C-55°C, Normal work: the green light flashes once every 15 seconds, Applicable gas: smoke / carbon monoxide, Product Name: Household Smoke / Carbon Monoxide Detector, Standby current: < 105uA.
Updated: 24-08-2025

Banggood

Warehouse in China.
Link: Home Smoke Detector Carbon Monoxide
Price: $16.99

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Aliexpress

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