[918-Old Blue]

[918-New White]

[918-New Blue]

[918-New Red]

[918-Old Red]

[918-Old White]

Bike Rear Tail Light USB Charge Portable Cycling Light LED Riding Safety Warning Saddle Bike Taillight Waterproof Bicycle Light
Switch: long press the button for about 2 seconds, the lamp body is turned on
Short press the switch to change the mode
Long press the button for about 2 seconds, the lamp body is turned off