Bluetooth 7 in 1 Multifunctional pH TDS EC ORP Salinity SG Temp Meter Pen Type IP67 ATC for Hydroponics, Aquarium

Battery Included : No High-concerned chemical : None Is Smart Device : Yes Model Number : 7 IN 1 PH METER With Backlight Or Not : Yes Display Type : DIGITAL Origin : Mainland China Certification : CE,FCC