Wifi Natural Gas Sensor Combustible Household Smart LPG Gas Alarm Detector Leakage Sensor Wifi Temperature Detectors   Specification:   Rated voltage:DC5V   Power supply interface:Micro-USB   Working current:<;200mA   Applicable gas:Methane (natural gas), liquefied petroleum gas   Alarm mode:Real voice reminder   TFT color display:Perpetual calendar, real-time ambient temperature and combustible gas display   Working environment Temperature:-10~55   Humidity:<;95%RH without condensation   Sampling method:Natural diffusion   Range:0~100%LEL   Alarm setting concentration value:6%LEL   Alarm concentration error:±3%LEL   Response time: 30 seconds,Automatic recovery of normal environment   High temperature alarm setting value: 57   Alarm volume: 70dB (1 meter directly in front)   Alarm mode:Sound and light alarm, human voice prompt, mobile phone alarm push   Warm-up time:180 seconds   Service life 5years (under normal use environmental conditions)   Wi-Fi:2.4GHz   Installation method:Wall-mounted   Package Include:   1*Gas leak detector   1*Power adapter   1*Mounting adhesive tap   2*Screws   1*User guide