Greentest-ECO6 Updated Home Digital Radiation TDS Water Nitrate Tester Detector with Capacitive Screen and Bluetooth Function A/V Adapters & Converters the data transmission quality is

the data transmission quality is perfect:

Specification:  Product size: 16x4

Type:Watches for Parts

Users can instantly convert any plug into a smart outlet with a convenient timer function that works on user's smartphone

4V 2700mah 2S 20C Battery

Greentest-ECO6 Updated Home Digital Radiation TDS Water Nitrate Tester Detector with Capacitive Screen and Bluetooth Function A/V Adapters & Converters the data transmission quality isGreentest ECO6F Updated 6 IN 1 Home Digital Detector , Radiation Detector +TDS Water Tester + Nitrate Tester for Vegetable, Fruit, Meat and Fish Health Care Helper with Capacitive Screen and Bluetooth Function Greentest ECO6 is the newest device of Greentest Product Line. Based on the Greentest ECO5F, Greentest ECO6 has 2 main updates: the screen is replaced by capacitive display screen, the other feature is that the device is powered with the