Spec: Item Type: Eyelash Glue Container Material: Plastic, stainless steel, electronic components Color: Black, pink, white Built-in Battery: 3 button batteries Battery Model: LR44 Battery Capacity: 3 x 50mAh Size: Approx. 100 x 78mm / 3.9 x 3.1in Usage: For storing eyelash extension adhesive or nail glue, can measure the temperature and humidity inside the jar, allowing the glue to be stored in the appropriate temperature and humidity environment to prevent it from hardening and deteriorating, extending the shelf life of the glue. Package List: 3 x Eyelash Glue Container How To Use: Long press the on/off button inside the lid to turn on the unit to display the current ambient temperature and humidity.[Widely Used] Suitable for eyelash stores, nail salons, and eyelash and nail enthusiasts, this multi-functional storage jar is a must-have. [Ample Capacity and Freshness] The large capacity jar can store up to 3 jars of glue, securely holding them with a sponge pad. [Temperature Humidity Monitoring] The LED display shows real-time temperature and humidity inside the container. [Airtight Seal] The silicone gasket and stainless steel lock buckle prevent moisture from entering the jar. [Extends Glue Shelf Life] This eyelash glue storage container effectively extends the lifespan of the glue and reduces waste.