#Warning: U.S. Consumer Product Safety Commission warns consumers to stop using PETRICOR, VARWANEO, and WJZTEK combination smoke and carbon monoxide (CO) detectors. The detectors can fail to alert consumers to deadly smoke. Sold Amazon.com. Stop using and dispose of them. Don’t buy or sell them.”

CPSC Warns Consumers to Immediately Stop Using PETRICOR, VARWANEO, and WJZTEK Combination Smoke and Carbon Monoxide Detectors Due to Failure to Alert Consumers to Deadly Smoke; Sold on Amazon.com | CPSC.gov