1. Measuring range: %LEL: 0-20%; PPM: 0-9999PPM2. Ambient temperature range: 0-60 degrees Celsius (TA702B)3. Display mode: TA702A: analog bar display; TA702B: analog bar and numerical display4. Sensitivity: 50PPM (methane)5. Alarm mode: display + audible and visual alarms6. Automatic zeroing: automatic zeroing in the preheating process (in clean air)7. Sensor: semiconductor sensor8. 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 battery11. Charging port: Micro USB12. Use of the environment: -10-50 degrees Celsius, 80% relative humidity, indoor altitude of less than 2000m13. Storage environment: -10-50 degrees Celsius, within 70% relative humidity14. Packing List: Main unit x 1, cloth bag x 1, manual x 1, charging cable x 115. Overall size: about 19.2 x 7 x 3.5cm16. Gooseneck length: about 20cm17. Weight: about 275gFeatures: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 lighting3. 10-hole gas channel design, gas can be quickly inflow, fast and agile response4. Concentration alarm5. VA high-definition color screen display, with background lighting (always on)Specification: Package Weight One Package Weight 0.50kgs / 1.09lb One Package Size 26cm * 15cm * 5cm / 10.24inch * 5.91inch * 1.97inch Qty per Carton 30 Carton Weight 15.50kgs / 34.17lb Carton Size 54cm * 27cm * 50cm / 21.26inch * 10.63inch * 19.69inch Loading Container 20GP: 365 cartons * 30 pcs = 10950 pcs40HQ: 849 cartons * 30 pcs = 25470 pcs