MG ELECTRONICS MGT2450 TRANSFORMER 24VAC (2 Pack) Go to amazon.com Related posts Top 15 best 24v transformer doorbell: Which is the best one in 2022? FeatureSave when you buy the 2 Pack!MG Electronics' MGT2450 is a 24 VAC 50 VA Power Supply, Plug In Transformer. Description24 Volt AC For Security Cameras And Security Panels.