This product is an E-Max display screen only. It does not include a power supply and cable. You can run it off an existing power supply with a 5V DC barrel connector, or with 3x AAA batteries (not included). If you require a power supply, we suggest buying a complete E-Max kit instead, which comes with everything you'll need.
This E-Max display screen can be paired with both existing (black) and older (white) Efergy Transmitters. It works with already functioning transmitters from the following systems:
You can pair the E-Max display with one transmitter and sensor(s) from your existing system by following the steps:
See our Efergy page for all available parts and our Energy Monitors page for other options.