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. FREE Shipping on Orders over $49 Includes a 10-foot cable with clips. Built-in short-circuit protection. Connects to standard indoor power outlets only. Insert the doorbell's rechargeable, Quick Release Battery Pack. Plug-in Adapter will keep the battery charged inside the doorbell. Works with Video Doorbell Wired, Video Doorbell (1st Generation), Video Doorbell (2nd Generation), Video Doorbell, Video Doorbell 2, Video Doorbell 3, Video Doorbell 3 Plus, Video Doorbell 4, Battery Doorbell Plus, Wired Doorbell Plus (Video Doorbell Pro), and Wired Doorbell Pro (Video Doorbell Pro 2).Not compatible with Peephole Cam or Video Doorbell Elite.