4IN1 Gas & Carbon Monoxide Detector Combination Plug in, CO Gas Monitor with Real-Time Temperature & Humidity Display, Alarm for Natural Gas, Propane-2Pack IFERLA 000mAh battery with wire-free functionality

000mAh battery with wire-free functionality for long battery life

High Working Range

these mini keychain flashlights bulk deliver ultra bright LED lighting

2mm (L) x 13

from healthcare and industrial settings to everyday tasks requiring finger protection

4IN1 Gas & Carbon Monoxide Detector Combination Plug in, CO Gas Monitor with Real-Time Temperature & Humidity Display, Alarm for Natural Gas, Propane-2Pack IFERLA 000mAh battery with wire-free functionalityAbout this item 4 Stage Gas & CO Alerts for Precise Risk Awareness Detection system with four real time alert levels: Green ? Safe (CO < 50ppm, GAS < 5% LEL); Yellow ? Caution (CO 51? 100ppm, GAS 5? 8% LEL); Orange ? Warning (CO 101? 150ppm, GAS 8? 15% LEL); Red ? Danger (CO 150? 999ppm, GAS >15% LEL) Dynamic Alarm System ? Louder & Faster as Danger Increases Equipped with a powerful 85dB alarm that intensifies in sound and frequency as gas or CO