... , feet, back, waist, shoulder, knee. BNA-01BNA-02BNA-01 infrared health care body warmerCharacterasticsSpecificationsModel BNA-01Model BNA-02Model BNA-03Length105mm105mm105mmWidth63 ... 5 minute, the temperature will be stable surface temperature.6. Safety in use, long life to last. There is no ... , no scald problem. Applied on 24V voltage, it is safety voltage. It can be used last over 10 years. Caution ...