Learn what doorbell transformers you can use that are compatible with the Ring Doorbell 2. We teach you what you need to know to identify the voltage of your existing doorbell transformer and what tools to use to upgrade your transformer to be compatible with the Ring Video Doorbell 2. The Ring Video Doorbell 2 can work on it’s internal batteries for up to 6 months or if you want to hardwire the Ring Doorbell you won’t need to change the batteries and it will make the Ring Video Doorbell 2 more reliable. To provide enough power for the Ring Doorbell 2 the transformer needs to supply between 16-24V AC to function properly. Depending on your existing doorbell setup you will need to upgrade to a 16V-30VA transformer or a 24V-40VA transformer for the Ring Doorbell 2. We cover everything you need to know to find the right transformer for your Ring Doorbell 2. www.onehoursmarthome.com