Hanna Instruments Bluetooth Marine Master Multiparameter Photometer Kit - 97115C T5 & VHO Accessories The battery percent level is

The battery percent level is displayed at start up alerting the user to the remaining battery power that is available

Push-button switches

but is easy to connect and plugs straight into your existing system

- Two(2) year on pump

Hanna Instruments Bluetooth Marine Master Multiparameter Photometer Kit - 97115C T5 & VHO Accessories The battery percent level isMarine Master Waterproof Wireless Multiparameter PhotometerpH, Alkalinity, Ammonia, Calcium, Magnesium, Nitrate Low Range(reagents sold separately), Nitrate High Range, Nitrite Ultra Low Range, Phosphate Ultra Low Range The HI97115 is a compact and versatile Marine multiparameter photometer designed to accurately determine pH, Alkalinity, Ammonia, Calcium, Magnesium, Nitrate, Nitrite, and Phosphate levels in aquariums and marine biology applications.