1、9 Gears Adjustable Strength: 9 gears of force can be adjusted, 100, 200, 300, 400, 500, 600N, 700N, 800N, 900N and it can meet your various needs. 2、With Cooling Fan: Electric Massage Gun with built in high frequency cooling fan can cool the machine to extend its service life. 3、Improve Physical Health: Electric impulse gun can stimulate normal function of nerve cells and organs, so that body function can be quickly restored. 4、8 Replaceable Physiotherapy Heads: Electric impulse gun with 8 replaceable physiotherapy heads, used to treat different parts of the body. 5、Wide Applications: Corrector massage gun can be used for joint relief, cervical spine adjustment, thoracic spondylosis, cervical spondylosis, body treatment. Item Type: Electric Spine Chiropractor Size: Approx. 20 x 15 x 5cm/7.9 x 5.9 x 2.0in Function: 1. Body Massage: Provide stable and powerful force, more effective and more comfortable massage, 2. It is suitable for scoliosis, thoracic and spine soreness. It can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, and body massage for health care. 3. Principle Of Physical Pressure Massage: Imitate human hand massage, adjust bones, straighten spine, straighten up immediately, get rid of pain, and make people refreshed and energetic. It can be in contact with skin under 2.3cm to effectively adjust bones and massage once to make relaxation time longer. Will provide stable and strong power, more effective and more comfortable Adaptation symptoms: 1. Neck syndrome: headache, dizziness, insomnia, restricted neck movement, neck pain, numbness in the arms, and neck movement disorders. 2. Chest syndrome: back pain, shortness of breath, loss of appetite, gastrointestinal disorders 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of legs and feet. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toes 5. Scoliosis: prevent traditional spinal health degenerative diseases. Taboo: 1. Eyes and surrounding areas, myocardium, spinal cord, gonads, kidneys and liver. 2. Blood diseases, coagulation problems or the use of anticoagulants. 3. Treat polyps. 4. Thrombosis. 5. Tumor diseases. 6. Polyneuropathy. 7. The growth of cartilage in children. 8. Use fatty alcohol treatment. 9. Not suitable for areas close to large nerve tracts, blood vessels, spinal cord and head. 10. Major diseases such as heart disease, diabetes, and pregnant women. 1 x Bone Setting Gun 8 x Physiotherapy Heads 1 x English Manual 1 x Storage Box