Night lights for cycling equipment at night for seatpost

Color: black, red, blue, titanium gray, local gold
Battery model: 602025
Weight: 52g (including packaging)
Lamp beads: LED
Battery: lithium polymer battery
Charging style: USB charging
Brightness: 20 lumens
Use time: 9 hours
Waterproof level: IPX5
Shell material: PC engineering plastics