Heiman Matter Smoke Detector S1-M vs X-Sense Wi-Fi Carbon Monoxide Alarm

Heiman Matter Smoke Detector S1-M has the stronger overall profile in this comparison, especially for battery life, integrations, and tests itself.

Price is one of the clearest differences: Heiman Matter Smoke Detector S1-M lists $39.99, while X-Sense Wi-Fi Carbon Monoxide Alarm lists €33.89.

Heiman Matter Smoke Detector S1-M is listed at $39.99, while X-Sense Wi-Fi Carbon Monoxide Alarm is listed at €33.89. X-Sense Wi-Fi Carbon Monoxide Alarm (better spec).

Choose Heiman Matter Smoke Detector S1-M if your priority is battery life and integrations and that matters more than price.

Choose X-Sense Wi-Fi Carbon Monoxide Alarm if your priority is price and rating and that matters more than battery life.