pair of glasses are included - so you can share.

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

1x Zenco DUO
2x Glasses
2x Vapor Coils 
1x USB Charger
Concentrate Scoop, cleaning brush
Removable Food-Grade Silicone Diffuser
( All Zenco glassware is interchangeable )
1 Year Limited Warranty