An easy and safe way to save electricity
The eFeeler controller has been developed for monitoring and optimizing electricity consumption. It is integrated into the property’s electrical system, and control is done through an easy-to-use mobile application.
The controller continuously monitors the real-time price of electricity on the market and provides users with an easy way to optimize the use of connected electrical devices during the most cost-effective times.
eFeeler is at its best, for example, in controlling electrical vehicle charging or use of hot water heaters.
How does eFeeler work?
- Controller to be installed in the property's electrical system.
- Data trasnfer through Wi-Fi, Bluetooth, and cloud Service (AWS)
- Mobile application for Android and iOS Devices
- Real-time monitoring of electricity market prices
- Simple pricing - no hidden fees or monthly charges
- Examined and tested CE-marked product
- Designed and manufactured in Finland


- eFeeler controller
- 2 peaces 2.4 GHz antennas
- USB-C cable 1m
- DIN-rail adapter
- 4 peaces of screws for wall mounting
- User manual
- Nominal voltage AC: 100 – 240 V
- Maximum load 32 A (16A x 2)
- Current consumption: < 1W
- Number of channels: 2
- Operating temperature: 0 – +85 °C
- Enclosure: IP20
- Bluetooth: 5.2 Yes
- Wireless standard: Wi-Fi 802.11 b/g/n
- Wi-Fi : 2.4 GHz
- Wi-Fi radio signal strength: Yes
- Material: Plastic
- Dimensions without antennas (Height x Width x Depth): 15 x 7.7 x 3.5 cm
- Dimension with antennas (Height x Width x Depth): 26 x 15 x 3.5 cm
- The application requires an Android or iOS smartphone to function
- The installation of the controller can only be carried out by an authorized electrician

Daily electricity market prices
The source of electricity market prices used is Nord Pool Spot prices. Prices vary significantly on a daily and hourly basis. The eFeeler smart relay helps optimize electricity consumption for the cheapest hours of the day.
Resellers
The eFeeler controller is available for sale in well-equipped online stores and department stores.
The eFeeler app is available for free download on Android devices. The iOS version will be coming later.

Xedi is a technology partner founded in 2019, offering its customers design services for electronics and embedded systems for industrial and consumer products. Their clients include international automation, medical, and technology companies. Xedi is based in Seinäjoki.
Technical support
Juha Mäki
p. 040 0358 634
juha.maki@xedi.fi
Samuli Oja-kaukola
p. 050 548 5572
samuli.oja-kaukola@xedi.fi