Product: Yocan LUX Plus Battery: Robust 400mAh, variable voltage for customizable sessions. Material: Premium alloy body for durability and sleek design. Compatibility: 510-threaded, wide variety of devices Unique Features: Easy-to-use controls, pre-heat setting for extracts, portable and lightweight. Alloy Body Design 510-Threaded Connection 400mAh Battery Variable Voltage Settings 1.8 volts to 4.2 volts Pre-Heat Setting