Feature: 1. When the temperature around the detector rises to a preset value, the red alarm light flashes to show temperature alarm. 2. The detector will say check it now and the same text notification will be pushed to your phone. 3. Solenoid valve, exhaust fan and other external equipment can be connected. After the detected gas leakage alarm, the equipment will be automatically controlled to reduce the security potential danger. 4. The device has high sensitivity, rapid response and accurate measurement of low level smoke concentration. Suitable for homes, office buildings, factories, schools, hotels, warehouses, entertainment places, trains, etc 5. Gas leak detectors come with screws and are designed to be easy to install, plug and play, and you can choose the installation method according to your needs. Specification: Item Type: Gas Detector Power Supply Voltage: Eu plug (AC 100-240V) Material: ABS Alarm Setting Value: 6%LEL Concentration Error: ± 3% LEL Alarm Volume: 70 decibels Alarm Heating Value: 57℃ Working Humidity: <95%RH non-condensing. Package List: 1 x Detector1 x Plug1 x Data Line1 x Leadwire 2 x Screw2 x Expansion Tube1 x Manual Note: During installation, do not install in a place where the temperature is above 55℃, and do not close to exhaust fans and other ventilation ducts with large airflow.