Doorbell Transformer, 16v 30va Compatible with Ring Video Doorbell Pro, Nest Hello Doorbell Hardwired Door Chime Transformer

Specifications: Input voltage: 120 v AC, 60 Hz Output voltage: 16 v AC at 30 VA Dimension : 3.9 x 2.6 x 2.4 inch/ 10 x 6.5 x 6 cm (LWH) Feathers: Universal powering for single or multiple door chimes in one home Replace the old and under powered doorbell transformers for better performance Compatible with Ring video doorbell pro. UL certificated. Safety and quality. Easy installation. Usage tips: 1. This is a linear transformer. The output voltage is proportional to the input voltage. When the output voltage is lower than 16V, please check if the input voltage is lower than 120V. 2. If the doorbell does not ring, please check if the input voltage and output voltage of the transformer are within the rated range. 3. If the transformer voltage output is not detected, check if the input voltage is 120V and the connection is correct. Note: This product is not a Ring doorbell product, the brand mentioned above is only for demonstrating compatibility