RING TRANSFORMER: -WE WILL PROVIDE A NEW DOORBELL TRANSFORMER TO REPLACE THE FAULTY EXISTING ONE. AFTER WE REWIRE THE NEW TRANSFORMER, WE WILL CHECK VOLTAGE AT THE DOORBELL BUTTON LOCATION. ONCE WE ATTAIN THE RIGHT VOLTAGE, WE WILL RE-INSTALL THE RING DOORBELL BUTTON CAMERA FOR YOU. No warranty on customer supplied material! WARRANTIES: *5yr warranty on the new transformer for doorbell *LIFETIME WARRANTY ON WORKMANSHIP!!!