Feature:1. High Accuracy: Adopting 32 bit microprocessors, coupled with high speed and high accuracy processing circuits for fast and accurate measurement.2. USB Interface: Reserve a USB interface externally, so you can use a USB cable to communicate with the computer, and achieve data export and deletion.3. Clear Display: 3.5in TFT color display with a resolution of 480 x 320, and function instructions for easy operation. Also has full range temperature digital compensation.4. Easy Operation: Equipped with buttons, it can easily achieve parameter viewing, setting, and other operations. By modifying the coefficients, switching between different units can be achieved, such as ppm and mg/m.5. With Large Memory: Can store 100,000pcs historical data and 1,000pcs alarm records. The storage interval of historical data can be freely set and has the function of switching display between Chinese and English.Specification:Item Type: Combustion AnalyzerShell Material: PCProtection Level: IP65Resolution: 0.1% LELAccuracy: 3% F.SWorking Environment Temperature: -20~50Working Environment Humidity: 10~95%RH, non condensing. Data Interface: Mini USB, trapezoidal interface, can also work as the charging interface. Charging Interface: 5V DC, which is also the data interface. Battery: 1 x rechargeable lithium battery, 5400mAh. Shipped with built in battery. Detection Method: Pump suction type, with adjustable pump speed. .Package List:1 x Combustion Analyzer1 x Probe1 x USB Cable2 x Key1 x Storage Box1 x User Manual