Check the listing for details. PoolLab 1.0 Swimming Pool Photometer Maintenance Water Tester with Bluetooth. Condition: New. Listed at 189.92 USD. PoolLab 1.0 Swimming Pool Photometer Maintenance Water Tester with Bluetooth Item Number: 111948 Various values in the pool are important to maintain optimal water quality. The Pool Improve handheld photometer POL01 can easily read up to 9 water quality parameters in one go: for example pH, free chlorine, combined and total chlorine, alkalinity and cyanuric acid (stabilizer), etc. The photometer POL01 is compact, waterproof and durable, with an IP rating of IP 67. Thanks to the Bluetooth 4.0 and mobile App (for iOS and Android) connectivity, the photometer has various ways to transfer data for online use and storage. A replacement cuvette can be ordered separately. *Suitable for saltwater pools / pools with salt electrolysis* Color: Black and white Material: Plastic Digital display Battery: 2 x AAA battery (included) Exchangeable cuvette (test tube for water samples) 6 buttons for direct access Measures 9 water quality parameters IP rating: IP 67 Waterproof With Bluetooth 4.0 and mobile App connectivityPoolLab 1.0 Swimming Pool Photometer Maintenance Water Tester with Bluetooth Item Number: 111948 Various values in the pool are important to maintain optimal water quality. The Pool Improve handheld photometer POL01 can easily read up to 9 water quality parameters in one go: for example pH, free chlorine, combined and total chlorine, alkalinity and cyanuric acid (stabilizer), etc. The photometer POL01 is compact, waterproof and durable, with an IP rating of IP 67. Thanks to the Bluetooth 4.0 and mobile App (for iOS and Android) connectivity, the photometer has various ways to transfer data for online use and storage. A replacement cuvette can be ordered separately. *Suitable for saltwater pools / pools with salt electrolysis* Color: Black and white Material: Plastic Digital display Battery: 2 x AAA battery (included) Exchangeable cuvette (test tube for water samples) 6 buttons for direct access Measures 9 water quality parameters IP rating: IP 67 Waterproof With Bluetooth 4.0 and mobile App connectivity