1. Multiple alarm modes, real-time feedback of gas test
2. 2.3-inch high-definition color screen display, multi-interface display, all data are clear at a glance
3. Built-in smart menu, convenient operation
4. Fast warm-up, support Chinese and English switching menu, multiple alarms, highly sensitive probe
5. Rugged aluminum portable tool case
6. Sturdy alligator clip on the back
7. Measuring range: Combustible gas, oxygen, carbon monoxide
8. Battery capacity: 1800mah / 3.7v
9. Power supply mode: USB charging
10. USB port with protective cover
11. Description: GT8211: Oxygen content detector, GT8212: Carbon monoxide detector, GT8210: Flammable gas detector
12. Application: Gas detection
13. Alarm method: Sound, light, vibration
