UEI COA2 Wireless Carbon Monoxide Detector with Self-Test Brand_GT Water Products Black Canvas

Black Canvas

LED light indicates connectivity and battery level

and the Lunch Cooler is no different

or can be used as a digital level

UEI COA2 Wireless Carbon Monoxide Detector with Self-Test Brand_GT Water Products Black CanvasUEI COA2 Wireless Carbon Monoxide Detector with Self Test Functions: CO Detection: 0 to 999 ppm Resolution: 1 ppm Features: Wireless Connectivity Free App iOS and AndroidTM compatible CO sensor Self Test Audible alert 3 Color warning alert Max value capture Hold Auto zero upon power on Back light Low battery indicator Auto power off Belt clip Easy to replace CO sensor Includes: Free App for iOS and AndroidTM (UEi COA2) Batteries AAA (3) Manual UEI