I live Burasa Kaeru Bicycle LED Tail Light HF201MIN [Mint]

Size: width 5.5 x depth 2.5 x height 7cm, weight: 25g, material: silicone LED color: Red (high brightness red LED), battery used: CR2032 x1 *Battery can be replaced, flashing time: 100 hours of continuous flashing Installation method: Hook on the rail of a sports car saddle. Waterproof function: Waterproof for daily life *Although this is a waterproof product for daily life, please wipe off the water thoroughly after using it in rainy weather. The included battery is for monitoring purposes, so the usage time may differ from the specified usage time.