24V Power Adapter, UL Certificated Doorbell Transformer for Ring Doorbell, C - Wire Thermostat Adapter Compatible with Nest, Ecobee, Honeywell and Sensi Smart Thermostat - White;

UMTELE Power Supply Transformer for Ring Doorbell & Smart Wifi Thermostat

Compatible with:
Doorbell:
Ring Video Doorbell
Ring Video Doorbell 2

Smart Thermostat
Nest Thermostat
Ecobee Thermostat
Sensi Thermostat
Honeywell Smart Wifi Thermostat

UL Certification: Meet safety standards, safety and stability, please use this power adapter with confidence
7 m/23 feet Long Cable: The cable is long enough to connect the device to your outlet
Safe & Convenience: Protect your ring video doorbell and other smart thermostats, avoid danger from overheating, overloading, over-voltage
Constantly Charging: The doorbell chime adapter keeps your device constantly charging without removing the device

Specification
Input voltage: 120 V/AC, 60 Hz
Output voltage: 24 V, 0.3 A/ AC
Size (L*W): 2.16 in x 2.95in
Cable length: 23 ft/ 7 m 

Package
1 x 24 Volt adapter
50*Gift Wire Clip ( for free)
1*User Manual