Acupoints therapy BL-F Bluelight serial products BL-F model (also known as Bluelight diabetes treatment instrument, ... your local voltage. 2.With far infrared heat treatment, BL-F health device has microcomputer numeral display,eight methord output ... Presbypoia, Hyperthyroidism, Constipation, Nausea Vomiting, Gout and etc. Specifications : Model BL-F Power source AC220V(50Hz)+-10% or AC110V(50Hz) +-10 ...