- Metal construction with various finishes identified by suffix
- 2 piece clamshell design for easy installation & maintenance
- Flexible stainless steel supply lines
- Vandal resistant aerator
- Touch Free operation for improved hygiene
- Adjustable sensor activation distance from 3" to 12" (default 5-1/2")
- Vandal Mode: 30 second time-out feature
- Maintenance / Cleaning Mode: Allows for a 30 second deactivation for maintenance or cleaning
- Sentinel Flow: Eliminates stagnant water supply lines every 24 hours (factory setting = off)
- Metering Mode Feature: Adjustable run time from 10 to 180 seconds (factory setting = off)
- Battery 4(AA) or AC powered (For AC connection: Transformer 104630 required for up to 8 devices)
- Battery level indicator with low battery warning light
- Battery life: Up to 8 years*
- Built-in mixing-manual on/off handle (8554/8554AC models)
- In-line filters included