Features: This 4 in 1 water tester simultaneously measures with laboratory grade precisions, making it an essential meter and water quality analyzers for comprehensive assessments. Engineered with ABS housing and IP67 waterproof rating, the portable water testing device features shock resistant construction and a LCD display for clear data visibility in harsh environments. Ideal for hydroponic growers, aquarium enthusiasts, and water treatments professional seeking meters and water testers for routine monitoring or scientific research applications. Perfect for field testing in pools, laboratories, or adventures, this compact water quality analyzers delivers measurements during critical analysis tasks. The ergonomic design combines metal probe durability with lightweight portability, enabling effortless single handed operate for real time water parameter tracking across multiple industrial and domestic scenarios. Specifications: Component: ABS+metal Size: about. 183x37mm/7.2x1.46in Battery model: 3x1.5V button batteries (NOT Include) Package Includes: 1 Set Water Quality Test Pen note: 3x1.5V button batteries requires. (NOT Include) Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.