Big Jack IR-6SP
The Big Jack is a programmable infrared (IR) transmitter for controlling the environment with up to six different control switches. Big Jack is simple to set up and use. It can learn channels from other remote control units such as TV, DVD, stereo, and toys. Of course it can also be used for lamps, telephones and alarms. Up to six control switches with 3.5 mm plugs can be connected. Each switch can send a unique signal, or up to six different channels total. Operated with four 1.5V Alkaline batteries. Batteries and control switches not included.
More information: https://www.zygo-usa.com/usa/index.php/our-products/assistive-technologies-at/environmental-control-systems/ir-transmitters/big-jack-ir-6sp-detail