LUMINTOP BT1 Bike Taillight 180mAh 3.7V 4 Modes USB-C Reachargeable Waterproof Bicycle Flashlight Rear Lamp

Specification MaterialABSLight source5 x red LEDGearConstant light 4h slow flash 9h full flash 8h fast flash 10h Battery3 7V 180mAh polymer battery built in ChargingType C Size70x19 3x16 8mmWeight31gFeatures 1 Adopts premium light beads bright with long service life 4 modes can meet your different needs 2 Excellent waterproof processing that ensures the safety of battery compartment switch is sensitive and waterproof 3 With built in battery and supports USB charging very convenient to use and energy saving 4 Make your bike highly visible so that it can guarantee your cycling safety With one quick release mount easy to install on bike seatpost Package included 1 x LUMINTOP BT1 Bike Taillight