Item Type: Eyelash Glue Storage Jar Material: Plastic, stainless steel, electronic components Built In Battery: 1pc button battery Battery Model: LR44 Battery Capacity: 50mAh Product Size: Approx. 100 x 78mm / 3.9 x 3.1in Usage: Store grafting eyelashes or nail glue, can measure the temperature and humidity inside the jar, so that the glue is stored in the right temperature and humidity environment, to prevent the glue from hardening and deterioration, to extend the use of glue time. Applicable: Eyelash stores, eyelash lovers1Prolonged Glue Lifespan: Solve the issue of rapid glue hardening, increase glue usage lifespan, and reduce wastage. 2Sealed And Protected: Container features a sealed silicone ring and stainless steel locking mechanism to prevent moisture and air from entering, keeping the glue fresh and usable for longer. 3Temperature And Humidity Monitoring: Large screen on the container lid displays real time temperature and humidity, providing an optimal storage environment to prevent glue hardening and deterioration. 4Spacious And Secure: Container can store up to 3 glue bottles at once, and the specially designed sponge pad with slots securely holds the glue bottles in place, preventing spillage and ensuring long lasting freshness. 5Versatile Uses: Ideal for use in nail salons, eyelash studios, and by nail and eyelash enthusiasts, this storage container ensures that your glue is always ready for flawless application. 1 xEyelashGlueStorageJar