marevic Portable Carbon Monoxide Detectors for Travel, 3-in-1 CO Detector with Magnetic Back, 300H Standby Gas Detector

[3-IN-1 Carbon Monoxide Detectors] Carbon monoxide detectors offers 3-in-1 functionality, accurately detects airborne carbon monoxide concentrations (0-1000 PPM), but also detects humidity (0 to 100% RH) and temperature (14°F to 122°F), CO Detector's four-segment display system makes safety visible, making it the perfect tool for monitoring air safety in any environment. [4-Stage Light Visual Indications & Audible Alarm] The carbon monoxide alarm can present 4-stage light indications according to the CO concentration in the air: 0-50 PPM(shows green, no alarm alert.); 51-100 PPM(shows yellow, 3 times alarm alert in 3 mins); 101-200 PPM(shows orange, 5 times alarm alert in 3 mins); >200 PPM(shows red, continuously alarm alert!) [Powerful Rechargeable Large Capacity Battery] The Travel Carbon Monoxide Detectors built-in 2000mAh lithium battery with Type-C fast charging support (5V/1A), full charge within 2-4 hours. [300H Long Standby Time] The travel carbon monoxide alarm standby time up to 300 hours, just need to a full charge can be used for 10-12 days, no need to worry about frequent charging. Ideal for camping, traveling, vacationing or any outings. [Compact, Portable & Energy-Efficient] The travel friendly carbon monoxide detectors size just 3.82 x 2.2 x 1.22 inches and weighs only 0.25lb! Its lightweight and compact design fits easily into your bag or suitcase without adding bulk. Designed with a static power consumption of ≤ 2W, it operates cost-effectively, with an estimated monthly cost of only $0.17. [What You Get] You will receive Carbon Monoxide Detector x 1, Type-C Cable x 1, Outdoor Lanyard x1, User Manual x1