It detects methane (natural gas), liquefied petroleum gas, and carbon monoxide levels. Monitors for gas leaks or concentrations exceeding safe standards in the current environment. Features a simple and intuitive interface with a 1.4-inch TFT full-color LCD display. Sleek design with a three-dimensional square body for comfortable handling. Suitable for use in kitchens, bathrooms, gas rooms, gas pipelines, and other indoor or outdoor environments. Triggers audible alarm alerts when a gas leak is detected. The Wi-Fi version also sends mobile app notifications. The Wi-Fi version enables remote monitoring; connect the device to the network for smart monitoring capabilities. Wi-Fi/BT Standard: 802.11b/g/n (channel 1-14), supports Bluetooth 4.2 Low Energy Wi-Fi Frequency: 2.412–2.4835 GHz Display: 1.4-inch TFT LCD Power Supply: USB Type-C 5V/1A Methane (natural gas) Range: 0–100% LEL Carbon Monoxide Range: 0–1000 PPM Operating Environment: -9°C to 55°C, less than 90% RH Alarm Linkage Output: DC 5V Check product specifications carefully to ensure it meets your requirements. Note: Product design may be updated across batches; slight variations in appearance or color may occur but do not affect functionality. Version A: Standard Version Working Current: 170 mA Alarm Mode: Sound (buzzer) Version B: Wi-Fi Version Working Current: 210 mA Alarm Mode: Sound (buzzer) and mobile push notification Color: White Material: Plastic Package Contents: 1 × Gas Detector (Other items not included) Note: Lighting reflections and screen differences may cause slight color variations between the image and the actual item. Measurement error allowed: ±1–3 cm.