Coukou LED Bike Lights Set, Rechargeable Front Light Taillight Combinations LED Bicycle Light Set, 4 Modes, IPX4 Waterproof Bike Lights(2 USB cables) Price: £19.99 £8.99 (as of 21/04/2019 21:49 PST- Details)

UNIVERSAL FIT & EASY INSTALL -Advanced silicone mounting strap Supports 22-33mm handlebar diameter it will Fit All Bikes, Oversized Road Bikes, Commuter City bikes, or any Mountain & Kids bikes. No Tools required.
LIGHTING MODES: White LED Headlight have 5 Modes -Light sense mode/ full brightness/ half brightness/fast flashing/ slow flashing, Red LED Taillight light have 4 Modes. Simply click the button and select the light modes as desired.
USB RECHARGEABLE : Rechargeable Front Light Headlight and Tail Back Light .Stop Wasting Your Money on batteries! Front lights built-in 2000mAh Lithium/Taillight built-in 330mAh Lithium so it can be charged via any device with USB ports such as cell phone charger, power bank, laptop. (2*USB cord include)