Also known as ECU (Environmental Control Unit). These are a means to interact and manipulate one or more electronic appliance as: a television, radio, CD player, lights, and fan etc. This is accomplished using voice activation, switch access, a computer interface, and adaptations such as X-10 units.

A controller of a powered wheelchair can be interfaced for accessing electronic appliances.

Controlling electronic devices is usually with ultrasound, infrared, AC wiring throughout the house, and radio frequency.

The Call Bell  is an inexpensive, and small battery operated alarm. When Bell is activated, will emit a distinctive two tone chime. The Call Bell can be operated by direct access, a single switch or remotely with an Ultra One package.

The Simplicity^TM are switch activated environmental control units (ECU) with voice output. Using any ability switch, a user can control his/her environment. The Series 7M is identical to the Series 7, but adds a special computer interface allowing the user full control of any IBM personal computer or compatible via Morse code input.