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1. Green orange red three-color digital indicator. When the green light is on, the air quality is excellent; When the orange light is on, it indicates mild air pollution; When the red light is on, it indicates heavy air pollution.
2. Automatic shutdown in 30 minutes, saving power and durability
3. High precision laser sensor.
4. Real-time accurate detection
5. Long standby and HD display
6. ABS material, excellent hand feel, sleek shape, small and portable
7. One-button operation, simplify the design
8. Built-in 950mAh rechargeable lithium battery, low energy consumption