Features Product Components: This instrument is mainly composed of solution box, electrode, switch, lamp holders, light bulbs, wires, and other components, which is convenient and practical. LED Indication: If it is a strong electrolyte solution, the LED will light up. If it is a weak electrolyte solution, the LED will light up one to two. If it is a non electrolyte solution, the LED will not light up. 6Pcs Wire Clamps: This kit is equipped with 6pcs wire clamps, with a simple design that makes it convenient to connect and detect, has good contact and stable performance. For Chemistry Teaching: This instrument can be used for efficient detection of the conductivity characteristics of electrolyte solutions, widely used in middle school chemistry teaching. PVC Housing: The instrument shell is made of excellent PVC material, which has good toughness, wear resistance, impact resistance, and can be used in various environments. Specification:Item Type: Micro Solution Conductivity Tester Material: PVC Package List:1 x Micro Solution Conductivity Tester 6 x Wire Clips Note:1. After use, the electrodes must be rinsed clean with distilled water, air drying, and stored in the box. 2. The instrument should be kept in a cool and dry place. Package List 1 x Micro Solution Conductivity Tester 6 x Wire Clips