Aranet, a brand of SAF Tehnika in Latvia, makes wireless sensors best known for the Aranet4 CO2 monitor. Its devices use long-range, low-power radio to track CO2, temperature, humidity and pressure, with long battery life and an E-ink display. Aranet is widely used in offices, schools and homes for reliable, accurate CO2 monitoring.
View AranetShelly, based in Bulgaria, makes compact smart relays, switches, plugs and sensors that fit behind existing wall switches and outlets to automate almost any home wiring. Its devices are popular with advanced users for offering local control, a built-in web interface, MQTT and broad integration with Home Assistant, Alexa and Google Home. Shelly is a favorite for retrofitting smart control without replacing fixtures.
View ShellyEvery product, compared
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DisplaysShellyWall Display
18% OFF€147.56€121.33
Motion SensorsShellyBlu Motion
$25.99
PlugsShellySmart Plug UL
$24.99
PlugsShellySmart Plug (US)
29% OFF$30.87$22.00
Radiator ValvesShellyBLU TRV
$64.99
RelaysShellyShelly 1 Gen3
$22.99
RelaysShellyShelly 1 Gen4
$24.99
RelaysShellyShelly 1 Mini Gen4
$24.98
RelaysShellyShelly 1 Mini Gen3
$17.99
RelaysShellyShelly 1PM Gen4
$28.99
RelaysShellyShelly 2PM Gen3
$24.99
RelaysShelly2PM Gen4
$38.99
RelaysShellyShelly i4 Gen3
$19.99
RelaysShellyShelly Plus 1
$42.00
RelaysShellyShelly Plus 1PM
$27.49
RelaysShellyShelly Plus 2PM
26% OFF€31.00€23.00
RelaysShellyShelly 1PM Mini Gen4
$27.99
Smoke & CO DetectorsShellySmoke Alarm
25% OFF€53.43€39.95
Temperature & Humidity SensorsShellyH&T Gen3
$40.99
Water Leak SensorsShellyFlood Gen4
$39.99
Water Leak SensorsShellyFlood
$24.99
