2026 New Steadfast Haven Pro Detector,4-in-1 Plug in Detector with HD Digital Display, for Home, Kitchens, Hotel (4*White)

Why it's a great deal

• 【4-in-1 Multifunctional Detection System】 Integrates detection capabilities for gas (0-15% LEL), C O (0-999 PPM), temperature (32-212°F), and humidity (0%–95% RH), providing comprehensive environmental monitoring to help you create a safer indoor space

• 【Plug-and-Play, Easy Setup】 Simply plug the device into any standard 110V–220V AC power outlet to begin use—no complicated installation steps required. The unit automatically undergoes a 200-second warm-up cycle upon startup, making it ideal for use in homes, during travel, in hotels, or in RVs

• 【Real-time LCD Display & Alarm Function】 Features a clear, backlit LCD screen that displays real-time readings for gas, C O levels, temperature, and humidity. Coupled with an 85dB high-decibel audible and visual sound, the device immediately triggers a warning to alert you the moment unsafe environmental conditions are detected

• 【Reliable Safety Alert Standards】Tested to meet standards, triggers alerts when gas exceeds 6% LEL or C O reaches 30-60–120-300 PPM with response times from 2 H to immediate warning for enhanced protection

• 【Energy-Efficient Smart Design】 Supports a wide voltage range of 110V–220V and features an intelligent automatic backlight adjustment function: the screen backlight automatically dims after 1 minute and turns off completely after 5 minutes, effectively reducing energy consumption while ensuring the device remains fully operational