Smartmi PM2.5 Air Detector Portable Sensitive Air Quality Tester LED Screen Three-color Digital Indicator One-button Ope

Features 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 durability3 High precision laser sensor 4 Real time accurate detection5 Long standby and HD display6 ABS material excellent hand feel sleek shape small and portable7 One button operation simplify design8 Built in 950mAh rechargeable lithium battery low energy consumptionSpecifications Material ABS materialRated Voltage DC5V 1ARated Power 3WBattery Capacity 950mAhPackage Includes 1 PM2 5 DetectorDetials Pictures