Specifications BrandROCKBROSModelBL S2NameSmart Brake TaillightMaterialABS PCBattery400mAhWeightAbout 30gBattery Life10 20 5HoursSeat Rail Spacing38 54mmWaterproof RatingIPX6 Features 1 Updated touch sensitive button free experience2 Synchronous mode ideal for group rides3 Automatically turn on off depending on light intensity and movement4 Compact and lightweight 30g 5 Six lighting modes 10 20 5h battery6 Seamless aluminum alloy casing IPX6 waterproof rating7 Equipped with seat bow and seat post brackets8 Smart Light Sensing Automatically light when in a dark environment auto rest when in a light environment 9 Type c Charging Long battery life with convenient type c ChargingPackage includes 1 x Tail Light2 x O Ring1 x Charging Cable1 x Seat Bow Bracket1 x Seat Bow Bracket Spacer3 x Zip TiesNotice 1 Please allow a 1 2cm error due to manual measurement Pls make sure you do not mind before you bid 2 The color may be different as the difference display please understand
