Specifications Product Name CO Combustible Gases Leak DetectorMaterial ABSType Tuya WiFi Tuya ZigBe optional Communication protocol WIFI ZigBe according to your selection CO carbon monoxide measuring ranges 0 500ppmGas CH4 measuring ranges 0 20LEL Working temperature 20℃ to 85℃Working voltage 5VWorking current 10 496mACharging interface USB Type C 5V 1AItem size 100 100 35mm 3 94 3 94 1 38inPackage size 110 102 38mm 4 33 4 02 1 50inPackage weight 120g 4 23ounceFeatures 1 Comprehensive Detection The intelligent multi function alarm is designed for home safety capable of real time leak detection of carbon monoxides natural gases methanes liquefied petroleum gases coal gases methanes and other harmful gases all around guarding the safety of the home environment 2 Instant and Efficient Alarm Equipped with high sensitivity sensor it can trigger a sound and light alarm the first time of gases leakage emitting up to 80 decibels high decibel alarm red light flashing and continuous alarm and push to APP remote real time notification to ensure that even if you are not at home you will be immediately informed of the risky situation and the alarm will be canceled when the concentration of the gases drops to a safelevel 3 Intuitive Display and Intelligent Networking The alarm uses a digital display to clearly show the current gases concentration allowing users to grasp the environmental conditions at a glance The status of