RiderAce Bicycle Led Back Light with 4 Modes (Rechargeable) Features: - The new high-quality bicycle lights, lamp beads for high brightness LED material - Rechargeable polymer lithium battery - Luminance: 15LM (low power consumption and durable service) - USB rechargeable bicycle taillight and auto cut off when fully charged. - O-ring strap suitable most bike cube(12-32mm) - Modes: Normally on/ Slow Flashing/ Flashing/ Strobe - Waterproof USB Rechargeable Flashing Night Rear Tail Flashlight Warning Cycling Bicycle - Great for student, baby stroller, jogging, walking, bicycles, car emergency, horse-riding, etc. - High quality internal lithium battery, only need about 2 hours to be fully charged while be used for about 12 hours. - Super waterproof, make you riding freely regardless of rain. - High brightness and energy saving LED. Specifications: Type: LED Mode: 4 modes Brightness: 15 lumens Item Color: Black LED Light: Red & White Suitable Tube Diameter: 12-32mm/0.47-1.26" Mounting Placement: Bicycle Seat Post & Handlebar Product Weight: 13g Product Size: 7.5 x 3 x 2cm Package Weight: 30g Running time: Long bright: 4 Hours Slow flash: 10 Hours Shun flash: 12 Hours Strobe: 8 Hours Charging time: about 2 Hours Packaging 1x Bicycle Light 1x USB Cable 2x Rubber Strap Please Visit My Shop at Shopee for Buy (Malaysia Seller) https://shopee.com.my/product/49946485/8623560530?smtt=0.49947873-1615380385.9