ZOPULE 18V 500mA Doorbell Transformer Video Doorbell Power Adapter For All Versions of

18V 500mA Doorbell Transformer, Video Doorbell Power Adapter for All Versions of Ring Doorbell, Nest Hello and Other Video Doorbell,Power Supply with 8M (315"") Long CableAbout this item --Compatible Devices:Compatible with Ring,for Nest, etc. video doorbell, no need to remove the original battery, just connect the 18V500MA doorbell adapter to your video doorbell to charge your device for a long time and keep it charged.Note: The brand above is only for demonstrating compatibilityyy --plug in transformer: new upgrade design, which completely solves the noise problem during use, and the 18V500mA stable output makes your visual doorbell work perfectly and normally,No equipment connected, directly tested with a multimeter AC No-load voltage; 23.5V --EASY INSTALLATION :Assemble along the wall from your outlet to the doorbell without the existing wiring. Super easy to install that can be able to set up in minutes --High quality material: The housing is made of PC fireproof materiy