1. Measuring range: %LEL: 0-20%; PPM: 0-9999PPM
2. Ambient temperature range: 0-60 degrees Celsius (TA702B)
3. Display mode: TA702A: analog bar display; TA702B: analog bar and numerical display
4. Sensitivity: 50PPM (methane)
5. Alarm mode: display + audible and visual alarms
6. Automatic zeroing: automatic zeroing in the preheating process (in clean air)
7. Sensor: semiconductor sensor
8. Detecting gas (partial list): acetone, acetylene, alcohol, ammonia, benzene, butane, ethanol, cyclic ammonia ethane, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinner, propane, solvents, etc.
9. Automatic shutdown: 15 minutes (can be manually shut down)
10. Battery capacity: 3.7V 1000mAh lithium battery
11. Charging port: Micro USB
12. Use of the environment: -10-50 degrees Celsius, 80% relative humidity, indoor altitude of less than 2000m
13. Storage environment: -10-50 degrees Celsius, within 70% relative humidity
14. Packing List: Main unit x 1, cloth bag x 1, manual x 1, charging cable x 1
15. Overall size: about 19.2 x 7 x 3.5cm
16. Gooseneck length: about 20cm
17. Weight: about 275g

Features:
1. Highly sensitive response speed for combustible gas leakage detection in pipelines/equipment/regulators.
2. Probe with illumination design, high brightness, dim scene can be turned on the lighting
3. 10-hole gas channel design, gas can be quickly inflow, fast and agile response
4. Concentration alarm
5. VA high-definition color screen display, with background lighting (always on)