Automatic filling, instant heat-up, and dishwasher safe glass. 510 thread compatibility, concentrates, herb. 4 Heat settings - 2.5 V, 3.0V, 3.5V, 4.0V Includes: 1 x Zenco Uno 1 x Uno Glass 1 x Heating Element - Ceramic 1 x USB Charger 1 x Concentrate Scoop 1 x Cleaning brush Contains Removable Food-Grade Silicone Diffuser All Zenco glassware is interchangeable 1 Year Limited Warranty