2026 Steadfast 4-in-1 Detector with LCD HD Screen,Protect Your Home Haven, Carbon Detector,Energy-Efficient Design,Plug & Play,Real-Time Display for Home, Apartment, Hotel, Camping RV (Black)

4-in-1 Multi-Gas Detection System – Integrates combustible gas (0–15% LEL), carbon monoxide (0–999 PPM), temperature (32–212℉), and humidity (0%–95% RH) sensors to deliver complete indoor environmental safety monitoring in one compact device. Plug-and-Play, Effortless Setup – No complicated installation required. Simply plug into any 110V–220V AC power outlet and it's ready to use. Features an automatic 200‑second preheating cycle before operation. Ideal for home, travel, hotels, RVs, and more. Real-Time LCD Display & Audible Alarm – Equipped with a clear backlit LCD screen showing live gas, CO, temperature, and humidity readings, plus an 85dB buzzer that sounds instantly when unsafe levels are detected – so you never miss a warning. Reliable Safety Alert Standards – Tested to meet safety standards. Triggers an alarm when combustible gas exceeds 6% LEL or when CO levels reach 30–60–120–300 PPM, with response times ranging from 2 hours to immediate warning, providing enhanced protection for your household. Energy-Saving Smart Design – Supports 110V–220V power sources. The backlight automatically dims after 1 minute and turns off completely after 5 minutes, minimizing energy consumption while maintaining full functionality and keeping the device ready to protect you 24/7., Manufacturer: YSINOBEAR