Smart switch Sonoff SPM-4Relay 4 x 20A WiFi MEGIR together with both front and

together with both front and rear tapping

Enjoy the excellent quality

You will successfully use it both at home and while traveling

Fast and precise measurement

Brand Telesin Model GP-BTR-904-GY Transfer speed 20 MB/s Weight 147

Smart switch Sonoff SPM-4Relay 4 x 20A WiFi MEGIR together with both front andSonoff SPM 4Relay smart switch Sonoff SPM 4Relay smart switch, which, in combination with the SPM Main module (sold separately), enables measurement of power consumption. It can handle 4 independent channels, and also allows you to use overload protection to protect your devices from damage. At the same time, the product is very easy to install you can easily mount it on a guide rail. Multiple applications Sonoff SPM 4Relay switches will prove useful