For all common household gases Loud 85 dB alarm Notification on your smartphone and voice announcement in case and detection Displays the measured values on a 5.8 cm LCD screen Features Detects methane, liquid gases (butane, propane) and automotive gases (LPG / LGP) Warning in case of low concentration, alarm in case of dangerous concentration with acoustic and visual signal Voice announcement in case of detected gas Compatible wireless Internet network: IEEE 802.11b/g /n (2.4 GHz) Tuya System: Free Elesion or Smart Life apps available on iOS and Android Notifications from all over the world on smartphone or tablet < p>Volume of audible signal and alarm tone: 85 dB Large LCD display (diagonal 5.8 cm / 2.3): display of gas concentration and temperature ambient TEST function to check correct operation Duration recommended use: 3 years The temperature is not displayed in the application Power supply: USB (mains adapter included) Dimensions ( x H): 100 x 34mm Weight: 260G Size: 11*6*5CM Voltage: 110V-260V color: White Number of pieces delivered: 1 piece becomeveryrich