HQRP Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) Transformer Compatible with Ring, Nest and Standard Doorbells Door Chime Power Supply Adapter Door-Bell 120v-to-8v-16v-24v Replacement, UL Listed
- Replaces and upgrades underpowered transformer with this Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) AC transformer.
- Output: Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA).
- UNIVERSAL COMPATIBILITY: this transformer compatible with 16v Doorbells, and other devices that require constant 8V 20VA, 16V 30VA or 24V 30VA volt power for operation.
- Safety Features: High Efficiency and Reliability.