... vailiable2- Customized design and LOGO are welcomed3-It is powered by double CR927 batteries which are replaceable4-It is suitable ... approval9-Samples are offeredLED badges (LED blinking badge, flashing pins, flashing badges),When the turnbuckle is screwed up the product ... sparkle with diversified light and blink in beautiful colors,Stop flashing when the screw is loosened Red, yellow, orange, blue ...