Power source: DC4.5V (No. 5 alkaline drycell battery x 3 or external power source)
Frequency: 2 to 1,000Hz
Current: 40mA (operating impedance: 500Ohm)
Battery life: three months with 15-minute usage per day
External size: 150 x 100 x 46mm
Weight: 200g (not including batteries)
Normal operation: 5 to 55 degrees Celsius
Humidity: <80%RH
Storage and transportation temperature: -20 to 55 degrees Celsius
Humidity: 10 to 95%RH
Safety classification: class II-BF
Product registration No: Tianjin O112 YX0001-2000
Enterprise standard No: Tianjin medical apparatus
Supervision (approval) No: 2000 -226103
Effective on alleviating the symptoms of cervical spondylosis, scapulohumeral periarthritis, arthritis and lumbar muscle strain
Can ease peripheral nerve palsy and myalgia
Can promote blood circulation and remove fatigue