This product USES 12 white LED, no color, lamp can be rotated up and down, using 3 5 batteries. Color box packaging.
本产品使用12个白光led，无色差，灯头可上下旋转，使用三节5号电池，。彩盒包装。
Unique yellow & white lamp design, with the white led assist illumination and yellow led turn caution function.
特有的黄白灯设计，兼并了白灯辅助照明和黄灯转向警示功能。
Presents a constant current white LED driver for mining DC switching power supply to the mine under the DC power supply locomotives and miner's lamp.
提出了一种以恒定电流驱动白光led的矿用直流开关电源，给矿井下的直流电机车和矿灯供电。
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