Item Type: Hydrometer Material: Glass Function: To measure the content in solution. Measurement scale: 0.990~1.17, 0%~20%, 0~35. Measurement Accuracy: 0.05 Ambient Temperature: 20 Display Mode: Direct reading of scales. Application: For home, office, hotel, restaurant, conference room, shopping mall, warehouse, waiting room, courtyard garden, greenhouse nursery, animal husbandry and other indoor and outdoor environments. 1Triple Scales: This hydrometer comes with triple scales to better measure your wine as well as promoting the brewing. 2Reliable Work: Designed to have wide measuring range and high accuracy, the sensitive testing ensures little errors. 3Practical Use: Allows for extensive application in homes, offices, restaurants, shopping malls, warehouses and so on. 410Pcs in Pack: There are 10pcs beer tester made of glass, and the easy reading will largely simplify your operation. 5Easy Carrying: Light in weight and compact in size, the storage tube makes the carrying much more convenient. 10 x Hydrometer 10 x Storage Tube