Feature: 1. PH Value Detection: Electrodes designed for use in PH testers help you easily obtain PH values 2. Easy Connection: Compact size, easy to carry,and plastic glass material. The lightweight handheld design is convenient 3. BNC Connector: Replacement electrode for PH meter. BNC connector, compatible with any pH meter using BNC connector 4. High Accuracy: The sensor module has high accuracy and sensitivity, with quick response and less interference 5. Scope of Use: Aquarium Hydroponic Plant Pool Hydrotherapy Ph Meter Replacement Electrode Specification: Item Type: PH Electrode Probe Material: Plastic Glass Wire Length: Approx. 75cm / 30in Electrode Length: Approx. 16cm / 6.3in Scope of Use: Aquarium Hydroponic Plant Pool Hydrotherapy PH Meter Replacement Electrode Weight: Approx. 105g / 3.7oz. Package List: 1 x PH Electrode Probe