Smart switch Sonoff SPM-Main LAN (ethernet) WiFi Brand_Amazfit The included interchangeable eartips in

The included interchangeable eartips in 4 sizes (XS

Adjustable reflective harnesses for cycling and running - orange

a red LED light will illuminate

Even more control

or at the front at 360mm

Smart switch Sonoff SPM-Main LAN (ethernet) WiFi Brand_Amazfit The included interchangeable eartips inSonoff SPM Main smart switch The Sonoff SPM Main smart switch, which enables power consumption measurement and supports connectivity via both Ethernet and Wi Fi. It can handle up to 128 channels you can combine it with up to 32 SPM 4Relay switches (4 channels each), which are available for purchase separately. What's more, overload protection prevents damage to your devices. The product is also very easy to install. Multiple applications The SPM Main