Newhouse Hardware Wired Tri-Volt Doorbell Transformer

Replace the old and underpowered doorbell transformers for better performance. Compatible with Ring Pro and other smart doorbells like Nest (when connected directly to the video doorbell at 24 VAC/20 VA setting and not connected to a door chime). Not compatible with ring chime pro. UL Certified to guarantee safety and quality. Safe and easy install I on. WARNING: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm.