DIY Supplies:ELECTRICALOrigin:Mainland ChinaModel Number:HT61 Gas Leak DetectorWith LCD Screen Or Not:YesCertification:NONEIs Smart Device:NoMeasurement Range:-Gas Type:Combustible GasMaterial:ABSColor:Black and RedPower:2pcs, 1.5V, AAA battery (Batteries Not Included)The unit can detect all types of combustible gas like methane, propane, natural gas, etc. As the concentration goes up, the audible alarm beep more frequently and the scale add up. Check appliances and piping in your house to pinpoint the precise source of a potential gas leak with the practical mini gas .Features:GAS LEAK DETECTOR: Detect the presence of all kinds of combustible gas and react very quickly.AUDIBLE ALARM: Send out an audible and visual alarm if any gas is detected.PRACTICAL FUNCTIONS: High and low sensitivity are switchable for different scenarios.EASY TO READ: LCD display with green backlight ensures clear visibility even in the dim light.HANDY METER: Weighing only 1.69 ounces, measuring 7 by 1.2 by 1.2 inches, compact and lightweight, easy to carry around.EASY TO USE: Without complicated instructions, extremely simple to use.AUTO POWER OFF: Auto power off after about 10 minutes if there are no operation and measurement signal.BATTERY POWERED: Powered by 2 pieces 1.5V AAA batteries.Note:*Please refer to the user manual carefully before use.*Batteries not included.*There is only the detecting parameters for methane. For the detection of other combustible gases, the parameters are only for reference.Parameters:Sensor: Gas-sensitive semi-conductorReaction Range: >50PPM (methane)Warm-Up Time: Approx. 30 secReactions Time: Approx. 5 sec (500PPM)Alarm Mode: Visible and audibleOperating Conditions: 0~50 / 20~80%RHStorage Conditions: -10~60 / 20~80%RHSpecifications:: HABOTESTMaterial: ABSColor: Black and RedPower: 2pcs, 1.5V, AAA battery (Batteries Not Included)Item Size: 18*3*3cm / 7.08*1.18*1.18inItem Weight: 48g / 1.69ozPackage Size: 21.5*5.5*4.5cm / 8.46*2.16*1.77inPackage Weight: 103g / 3.63ozPacking List:1 * Combustible Gas Detector