Couch potatoes can expand their control reach far beyond the TV, controlling whole house audio, lighting, HVAC and security, as well as their home theater systems. Remote Technologies Inc. offers a variety of handheld and in-wall controllers, transceiver modules and system processors that can be integrated into a range of products. The units communicate using the ZigBee standard. Wireless communications are handled by Ember Corp.'s EM250 ZigBee controller and EmberZNet PRO networking software. RTI's color touchscreen remote control helps keep management simple so users can focus on relaxing.