JY-6090T is a Danish approval Bicycle battery rear seat post light, which enhances the safety aspect, as you are better seen by others.

• Bicycle Battery Rear Seat Post Light

• 5 pcs of Super Bright Red LED

• Function: Chasing-Flashing-Steady-Off

• Battery: AAA*2 (Not Include)

• Waterproof: IPX4

• Weight: 37g

• Size: 68x40x27mm

• Color: Red

• Accessories: Rubber bracket*1