Digital TDS Meter Electronic Accessories the maximum width can be

the maximum width can be adjusted to 28cm

Mount: E27

It is made of high Safety quality material

Stainless steel staples will not rust and 4 types of staples to meet your different needs

Digital TDS Meter Electronic Accessories the maximum width can beDescription: Easy Use: This meter is very useful when you just want to know how clean your water is. Test your tap water. You can measure the performance of your water filters and know when is the best time to change a water filter. Portable: The meter is very light and portable, so you can also measure the water quality in your friends' houses, restaurants and another public places. High Accuracy: The meter measures in ppm with a resolution of 1ppm