TDS Water Quality Tester for Aquarium Use

1 Made of high-quality materials, it is durable and practical 2 With LCD LCD high-definition display and backlight function, it can easily cope with the night environment 3 Large capacity button battery with built-in 4 LR44 1.5V button battery for durability and easy replacement 4 The probe is replaceable and easy to replace and easy to use 5 Ergonomically designed for non-slip design on both sides of the product

What's in the box
1 x Water Quality Tester