Wired 24V 40vA Doorbell Transformer for Powering Multiple Smart Doorbells and Thermostats

Specifications: input voltage: 120 V AC, 60 hz, output voltage: 24 V AC at 40 VA, dimensions: 2 x 2.5 x 2.5 inch universal powering for multiple doorbell chimes, smart video doorbells and thermostatic devices in one home. Replace the old and under powered doorbell transformers for better performance. Compatible with Ring Pro and ring doorbells, WiFi and other smart thermostats like Nest and ecobee and more. 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”,”highlights”:[“24V 40vA transformer for powering multiple door chimes”,”Use for devices that require constant 24V power for operation”,”UL Certified class 2 transformer for doorbell chime”