| Wireless doorbells have been around for many years, but they have limited range. Besides more pleasing sounds than a loud DRRRING from a wir...
All items tagged with Elektor Labs and Doorbell (3)
| El-cheapo wireless doorbells across the globe are so unoriginal it makes you wonder how much more e-rubbish we can tolerate in and around ou...
| Several companies sharing the same building all need a separate doorbell for visitors. The exterior of the buidling may not be altered. Do y...