Heiman Carbon Monoxide Detectors, Battery Powered CO Alarm, Digital Display

Key features

UL 2034 5th Edition Certified, US Safety Compliant — Fully meets UL STD 2034 5th Edition, the latest mandatory US safety standard for residential carbon monoxide detector. Follows official NFPA installation guidelines to deliver reliable, code-compliant protection for households, rental homes and residential properties., Real-Time LCD Display + Graded Low Level CO Early Warning System — This carbon monoxide detector features a clear digital screen showing live CO readings starting at 20ppm, so you can gauge hazard severity at a glance.

The co alarm delivers multi-stage alert system: 30ppm early warning for slow low-level buildup, a loud 85dB danger alarm, and 12-hour alarm memory to alert you of missed CO events when you return home., Dual Installation Modes | Tabletop & Wall Mount — No wiring or electrician needed for this co detector. Place directly on any flat surface for instant use, or wall-mount with the included full hardware kit.

A built-in safety lock prevents forgotten AA battery installation — the cover won’t close without batteries inserted. It auto-powers on after a 100-second warm-up with zero extra setup., Ultra-Compact & Portable for Home & Travel — Measuring just 4.09" L × 2.89" H × 1.43" W, and only 4.37 oz, this lightweight CO detector works perfectly for everyday home use and on-the-go protection.

Bring reliable CO safety to hotels, vacation rentals, Airbnb stays, RVs, cabins and more., One-Touch Hush & Simple Weekly Self-Test — The single Test/Hush button silences nuisance CO alarms (4 minutes), low-battery chirps (12 hours) and end-of-life alerts (48 hours), while uninterrupted CO monitoring remains active. Use the button for quick weekly self-tests to confirm proper operation..

Built with Size: Mini, Dimensions: 1.3779527545 inches x 2.755905509 inches x 2.755905509 inches, Color: White.