Compact Size: Portable gases detector, compact ABS body, fallproof and dustproof, quick response, detect leaks quickly, easy to carry and use.High Precise Semiconductor Sensors: Using high-precise semiconductor sensor, with fast response and react very quickly, support more accurate measurement.Easy to Use: Concentration gases tester+thermohygrometer dual-mode switching, convenient for users to safely detect temperature and humidity, and test a of combustible gases types, easy to meet different test needs.Multifunction Design: With automatic calibration, high and low sensitivity adjustment, manual , and / temperature units switching functions.Sound & Light Alarm: Sound and light dual prompts, when detecting combustible gases sink leakage, the meter beeps and the concentration bar will increased.Wide Applications:Suitable for water heating device detection, gases pipeline detection, industrial waste gases detection, gases pipeline detection, oil station operation, gases leak detection, etc.Name:Combustible Gases DetectorDisplay:color LCD disply with backlightTest ranges:50-10,000ppmSensitivity:Less than 50ppm (methane)Response time:2 SecondsWarm-up time:Alarm mode:Analog Bar, BeepHumidity detection:10-99%RHTemperature detection:-10 to 60/F Switch:YESManual is possible:YESSound on and off:YESCancel automatic shutdown:YESAutomatic shutdown:YESTips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.Power Supply:1 x 1000mAh rechargeable battery (included)Type:ZL73B ChargingColour:BlackMaterial:ABSPackage Contents:1 * Gases Leak DetectorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.