规格：质量LED灯泡
2模式的亮度设置（LED照明和LED闪烁）
需要2节电池（附带）
弹性挂绳
材质：ABS塑料外壳
尺寸关闭：
尺寸：5.3×3.5×1.3cm

Specifications: quality LED bulb
2-mode of brightness setting (LED lighting and LED flashing)
Requires 2 x cell batteries (included)
Elastic lanyard
Material: ABS plastic housing
Size closed:
Size: 5.3 x 3.5 x 1.3 cm