Watcher-S1 Portable Carbon Monoxide Detector, 150H Standby, Rechargeable 3-in-1 CO Meter with Magnetic Suction, CO Detector with Audible & Visual Alarm for Home, Travel, Tent, RV

3-in-1 Portable Safety Detector: GuardStarX Watcher-S1 is a portable carbon monoxide detector offering real-time, accurate CO readings from 0–1000 ppm. Customizable alarm thresholds help you quickly detect potential risks, while integrated temperature and humidity monitoring keeps you informed of your home environment for everyday use
Long-lasting battery life: Equipped with a high-capacity rechargeable battery and a Type-C fast-charging port, it delivers up to 150 hours of continuous operation. Its reliable and convenient design makes it an ideal choice for daily home use, office environments, and extended travel, providing constant protection wherever you go
Triple Alarm Alert: When CO levels exceed your preset threshold, the device triggers a loud audible alarm, flashes a yellow or red indicator on the screen, and changes the bottom ring light color. These multi-layered alerts ensure you and your family detect abnormalities at the earliest possible moment
Night-Visible Design: With a translucent housing, the ring indicator lights shine clearly in dark or dim environments, letting you see warning colors without turning on lights or approaching. Perfect for nighttime, power outages, or dim basements and garages, it provides round-the-clock home safety
Compact and Portable: With a sleek, lightweight design (54 x 27 x 110.2 mm), the Watcher-S1 is easy to carry anywhere. Featuring an outdoor lanyard and built-in magnet, it can be easily hung or attached to metal surfaces. Perfect for home, office, garage, camping, travel, and outdoor activities, it’s ideal for keeping your family safe on the go

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