... domestic and foreign low frequency treatment. Features and advantages:1: Computer intermediate frequency therapy apparatu appers elegant . Convenient operation, ... 3, Power dissipation≤80VA 4, Continuous working time ≥4hr 5, Output current 0~90mA 6, Frequency of operation 500Hz,2000Hz ... adjustable 12, Treatment temperature 0~8 adjustable 13, ambient temperature 5°C~40 °C 14, ambient humidity ≤ 80% 15, ...