Versatile Gas Detection: This gas detector is designed for home use and can detect multiple combustible&explosive gases, including LPG (methane), CNG, LPG, Propane and Natural gas. | Photoelectric Warning System: When the concentration of combustible gas reaches a preset level, the alarm emits an 85 dB audible and visual signal, alerting you to check for indoor gas leaks. | Proven Safety: Our gas detector undergoes rigorous quality management, with over a decade of successful sales to verify its stability and reliability. | Easy Installation: Installing the natural gas detector is a breeze. Simply plug it into an electrical outlet to start detecting gas leaks. | Important Warm-Up Time: Please note that all gas detection devices require a 2-3 minute warm-up period before they become operational. Ensure the product is correctly started during this time. | Please test the product before use. After the warm-up period is complete, perform a functionality test to ensure proper operation