PH Pen Color:Yellow or other harmful fluids to

or other harmful fluids to refill your lighter

Suitable for children over 3 years old

Easily monitor most 4 places' temperature on 1 clock by using 3 wireless outdoor temperature transmitters

🎁 Package :  pack as your choice

screwdriver

PH Pen Color:Yellow or other harmful fluids toPH Pen Our PH Pen: 1. A professional level water test meter combinates with TDS Meter, TDS EC Meter and Temperature Meter. For accuracy and reliability choose the DOY 3 in 1 TDS Meter. 2. The water that flows from our taps is full of chemicals, pollutants and metals. Well, the only way to make sure your water is clean and healthy is to test it regularly. With this TDS tester you can check any time on your water filtration, ensuring that you and your