Features 1、ACCURATE MEASUREMENT: LPG gas alarm detector leakage sensor is highly sensitive and responsive, and can accurately measure low concentration of smoke. 2、ALARM REMINDER: WiFi natural gas sensor smart detects all kinds of gas leaks (such as petroleum gas, natural gas, methane), App alarm reminder to reduce accidents. 3、TEMPERATURE ALARM: When the temperature around the detector rises to a preset value, the red alarm light flashes and the value circle shows "temperature alarm". At this time you will hear "check now", and then the same SMS notification will be pushed to your cell phone. 4、APPLICABLE PLACES: Smart LPG gas alarm detector is suitable for homes, office buildings, factories, schools, hotels, warehouses, entertainment venues, trains and other places. 5、CONNECTION SUPPORT: Smart gas leakage sensor can be connected to external devices, such as solenoid valves and exhaust fans. When an alarm occurs, the device is automatically controlled to reduce safety hazards. Specifications Item Type: Natural Gas Sensor Material: ABS Voltage: 5V Current: 1A Detecting Gas: Natural Gas (CH4), LPG Operating Environment: ‑10 to 55℃; Humidity＜95%RH (no Condensation) Range: 0‑100%LEL Alarm Set Value: 6%LEL Error: ±3%LEL Response Time: ≤30 Seconds Gross Weight: 131g/4.6oz Package List 1 x Detector 2 x Expansion Tube 2 x Screws 1 x Double Sided Adhesive 1 x Instruction Manual 1 x Power Cord 1 x Connection Cable