1 Pcs Ph-201 Electrode Probe & 1 pcs ORP-1 ORP Redox Electrode, Connector Probe 1.BNC connector, suitable for most PH and controller BNC connectors 2.has a large breaking force and can be adsorbed on the glass wall. 3.With high-quality low-noise cable,the signal output length can be more than 20 meters without interference 4.Signal stability,less interference. 5.Application: Suitable for a wide range of aquariums, hydroponics, laboratories and others Material:plastic electrode probe: Working temperature: 0 - 60 Celsius Response time: less than or equal to 1min H trial range: 0.00-14.00PH colour:Black size:16cm Cable length: 70CM ORP Electrode 50 Ohm BNC Type: Replaceable ORP electrode Provides instant ORP measurement Simple and comfortable to install and use High and accurate measurement Comes with protective cap to ensure the safety of the bulb, Reliable, stable, and transportable Measuring Range: -1999~1999mV Resolution: 1mV Accuracy: +/- 0.1% FS +/- 1 digit Connection: 50 Ohm BNC socket Colour: green Size: 3meter Package Contents: 1 * electrode probe 1 * suction cup 2 * PH paper 1 * ORP Electrode 50 Ohm BNC Type Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. About Us We provide the good product with the best price,we support Wholesale/Drop Shipping Order 1. For Drop Shipping order, please remark"dropshipping order", we will prioritize it. 2. For Wholesale/Drop Shipping orders, if you have any ideas about the price or package,please contact us in advance,we will give you the best service to satisfy your demands.