LCD Digital Display Water Quality Meter Waterproof PH Tester Household Water Test Pen Hydroponics

Label:Yes Power supply voltage :3v Battery supply: 2pcs 1.5V (LR44) (No included) Resolution :1ppm Package Includes:1 pc Water Test Pen Measurement range :0-9990ppm Display: LCD digital display Size: 142*16*25mm(5.59*0.63*0.98in) Weight: 40g Backlight: Yes Measurement accuracy :1ppm

Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as shown in the pictures. 2. Allow 1-3mm(0.04-0.12in) error due to manual measurement and there will be different colors as different screens, please understand. Thank you