JY-006BT-D is a rear light, which could meet Danish standard. The bracket is suitable for most common seat post.

• Bicycle Rear Light

• 3 pcs Super Bright Red LED

• Conform to CE standard

• Function: Chasing-Flash-Steady-Off

• Fit for seat post diameter Ф25.4-Ф31.8mm

• Battery: AAA*2 (Not Include)

• Weight: 34.4g

• Size: 65x41x24mm

• Color: Black