Advanced Monitoring: Experience enhanced safety with the K5E, a dual-function detector that accurately monitors both carbon dioxide (CO2) and carbon monoxide (CO) levels in the air. Ideal for ensuring the air quality in your indoor and travel environments is safe. Long-Lasting Battery: Equipped with a robust 1000mAh battery, this air quality monitor offers extended usage without the need for frequent recharging. The convenient USB Type-C charging port ensures fast and efficient power-ups, making it perfect for continuous monitoring. Portable Design: Designed with portability in mind, the K5E is compact and , making it an excellent choice for travelers who want to their environments are safe. Easily fits in luggage or carry-ons. Color: Orange Material: Plastic Package Contents: 1 x Carbon Monoxide and Carbon Dioxide 2-in-1 Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.