it is convenience, easy, safe, sanitation to use, can use point acupuncture treatment correctly. 150 mW SN - 150Specification :650nmOutput power150mWSupply voltageCR123A 2#Size22×140(mm)Net Weight150gLaser classBShort time, high efficiency, easy take, and efficient costApplication1.laser light is Known to act on protein synthesis and possesses an anti-inflammatory effect. 2.Analgesic actione.g. ...