Features: brand new and high quality PH electrode probe BNC:The PH electrode has a cylinder that can be directly connected to the PH meter, controller, or input terminal of any PH device with BNC input terminal. The PH electrode detector is accurate and reliable, providing almost instantaneous readings. BNC connectors are suitable for most PH tables and controllers. Suitable for all kinds of applications: aquariums, pools, laboratories, etc. Packing list:1 Liquid PH0-14 Value Detect test sensor module1 Sensor BNC interface with PH electrode probe. Specifications: Heating voltage: 5 ± 0.2V (AC · DC) Working current: 5-10mA Test concentration range: PH0-14 Test temperature range: 0-100 ° C Response time: ≤ 5S Stabilization time: ≤ 60S Component power consumption: ≤ 0.5W Working temperature: - 10~50 ° C (nominal temperature 20 ° C) Working humidity: 95% relative humidity (nominal humidity: 65% relative humidity) Service life: 3 years Size: 42mmx32mmx20mm Weight: 25g Output mode: analog voltage signal output Temperature sensor wire length: 1m Package Includes: 1 x Liquid PH0-14 Value Detect test sensor module 1 x Sensor BNC interface with PH electrode probe note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!