Based on this product's specifications, here are some alternatives and similar models
Carbon Monoxide Detector BLOW TC30 — battery-powered (2×AA), Wi‑Fi (Tuya) connectivity
Summary description:
BLOW TC30 is a carbon monoxide (CO) detector with power from two AA batteries and Wi‑Fi connectivity via the Tuya platform. It monitors CO levels and sends alerts over the network, suitable for homes, apartments and small commercial spaces. Key features include battery operation, wireless integration for remote notifications and straightforward wall or surface mounting.