iRobot Roomba 4230 Remote Scheduler Robotic Vacuum (4230) 

Roomba Scheduler features a built-in scheduling system that adds ultimate convenience. Program up to seven cleaning times toclean automatically as often as you like--even when you're out. Includes filters, brushes, Cleaning Tool and 2 Scheduling Virtual Walls.

Features:

Active Dirt Detect, Stair Avoidance System, Surface Transitioning, Bagless Debris Bin, Triple cleaning mode, Features three powerful cleaning modes: Clean, Spot and Max. Advance Power Supply (APS) Battery Enables up to 120 minutes of continuous cleaning time. APS Fast Charger Fully charges Roomba in less than 3 hours. Scheduling Capability Enables you to preset up to 7 cleaning times or weekly, to automatically activate Roomba and Virtual Wall Schedulers. Virtual Wall Scheduler (2) Contain Roomba to clean in a designated area. Scheduling capability lets you activate Virtual Wall Schedulers at preset times. Requires 2 D batteries per unit, not included.

Contains:

iRobot Roomba® Scheduler Vacuuming Robot, Scheduling Remote Control with LED Display, 2 Roomba Filters, 1 replacement Bristle Brush, 1 replacement Beater Brush, Advance Power Supply (APS) Battery, Advance Power Supply (APS) Fast Charger, Self-charging Home Base, 2 Virtual Wall Schedulers (requires 2 D batteries per unit, not included), One-year manufacturer's warranty, Documentation Owner's Guide