Aera Smart Diffuser Retails each $199 new (1) new in box (1) used App or manual controlled Wi-Fi Works with Alexa We have 4, and don’t need these 2! Capsule lasts forever! The model number pictured is for the one opened, I assume they both have the same model number as the new one is still sealed in the box We use White Tea at level 3 daily for 8 hours and capsule lasts us 6 months+