Delta 5CH-550L Features: Package includes digital interface and contemporary square steam head Programmable for up to 12 user presets to access duration, temperature, and optional audio Built-in Wi-Fi with full connectivity to the dfc@home app and other bluetooth-enabled devices Interface can be mounted in landscape or portrait orientation Adjust volume, balance, bass and treble for sound clarity, and pause, play or skip songs via the interface when paired with audio speaker package Patented Dual Sensor technology: the control features dual temperature sensors that deliver extremely accurate temperature precision to smoothly regulate the steam shower environment Steam Head 3/4" NPT, includes silicone cover Essential oil reserve on top of steam head Covered under Delta's 2 year limited warranty Perfect for unwinding after a stressful day focusing on your health, or simply escaping into bliss, the Delta® SteamScape™ Deluxe System lets you enjoy a fully customizable steam experience. Discover how the Delta® Steam Systems can improve your overall wellbeing. Plus, conserve water and energy without compromising your experience"”an average 20-minute steam shower uses less than one gallon of water. Enjoy your steam with peace of mind; our SteamScape electronic parts are covered for up to two years.