The Duet offers a secondary display that is attached to the Solo display and provides the monitoring of up to 6 appliances and central heating. It also provides the ability to compare the energy usage of the appliances and heating over time.

In addition to the Solo, the Duet displays:

• Current energy usage (load)
• Overall consumption today
• Environmental impact: CO₂ emissions and cost of energy used today
• Heating & hot water usage
• Energy consumption of up to 6 distinct appliances (in terms of energy, cost and CO₂ emissions)
• Remote on/off control of the 6 distinct appliances with safety and security lock options

As with the Solo device, the Duet is a user installable product and does not require professional installation.

Here are the unboxing videos