Laser and LED Rear Bike Bicycle Tail Light

Battery: 2x AAA battery (not included)

Switch: 2 buttons (On, Off and mode select)

Waterproof level: daily life waterproof

Lighting color: red

Casing color: black & red

Size: approx. 8.6 x 3.1 x 4.9cm

Bicycle mount fits approx. 20-36mm diameter tubes