Hey guys, installing your own doorbell is very simple now. Thanks to DIGOO DG-SD20 Self-powered Wireless Doorbell. It is using 433MHz wireless protocol that works for long-distance. Multiple plugs available. Mine is UK one. Here is the self-powered transmitter. No battery is needed. And it is waterproof as well…
Well, that’s it. A nice and simple wireless doorbell. Perfect for both home and office. Do get yours at Banggood now. Thanks…
