Doorbell Transformer, 16V / 800mA Power Adapter for Ring Video Doorbell, ... For some reason, we don't have any electricity going to our door bell, so we needed to plug the Ring doorbell into an outlet. This has worked out perfectly, and it was cheap to boot. We just poked a small hole through the drywall so we could thread the cord in and plug ...La sonnette la plus perfectionnée de notre gamme à ce jour. Dotée d'une détection de mouvements personnalisable, d'une connectivité wifi bi-bande de 2,4 et 5 GHz, d'un design ultra-fin et de façades interchangeables, la Ring Video Doorbell Pro est le choix qui s'impose pour votre maison. The Ring Doorbell Pro needs the power source it is connected to, to provide a minimum of 16 volts AC at ~20 volt-amps when connected to a transformer, plug-in-adapter or ~30-volt amps when connected to your internal doorbell. Plug your Video Doorbell into a standard indoor outlet for 24/7 power and protection, even if your home doesn’t have existing doorbell wires. Plug-In Adapter installs in minutes and keeps your doorbell powered without hardwired installation or taking batteries out to recharge them. Includes a 3 m cable with clips.