X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, SC06, 1-PackBrand: X Sense Color: White Features: Please Note: SC06 is a basic standalone unit; it does not support wireless interconnection, does not have Wi Fi, and cannot be used with a base station; for interconnection, search for SC06 W Combination Smoke and Carbon Monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source 10 Year Battery Operated Smoke and