Features 1、Accurate Work: Designed to have 1.100-1.300 wide measuring range as well as 0.005 accuracy, can better measure the density. 2、Clear Viewing: The clear scale allows for simple reading at on glance, which simplifies operation and improves efficiency. 3、Practical Use: Mainly applied to the measurement of various batteries, can be used on car, boat, toy and so on, very useful. 4、Good Material: Adopting high quality glass material, both the 2pcs hydrometer has excellent durability for long term using. 5、Easy Carrying: Comes with a light weight and a compact size, the convenient carrying makes it perfect for outdoor working. Specification Item Type: Hydrometer Model: 82520 Material: Glass Function: For electrolyte density measurement. Measuring Range: 1.100~1.300 Measurement Accuracy: 0.005 Package List 2 x Hydrometer 2 x Float