タイトルまたは説明

wavelength：**0nm output power：**0mW***0mW working voltage：2.8v*4.2v Battery::1×3.6V ****0 Dimension:φ*3***8mm Expected lifetime >****0 hours ppearance and Color: Black(according to the request of customer) Characteristics: Button switch in the tail, integrating focusing and waterproof together. Lvyi Laser only processes high-tech red laser products. It has perfect circuit design, copper cooling and high quality material, which is too excellent for other similar product in the market to be compared with ours.