Features1Wireless remote control steering smart induction brake taillight, eightsp eed mode adjustment, highstrength PC material, compact and portable. 2Simulate car domineering taillights, high light transmittance, high brightness, soft light without glare. 3Safe night riding automatic brake detection sensor, when braking, taillight will automatically change to the highlight mode for 3 seconds to warn the vehicles behind you. 4The taillights are equipped with two remote control methods, wireless remote control/wired remote control. 5The remote control controls the left and right steering of the taillights, and switches various warning states with one button. 6Triple warning lights are safer for night riding, left and right turn indicator lights, brake warning lights. 7Eight lighting modes: Steering mode: Press the steering key once to turn, and then press it to rewind and turn forward mode 8Six conventional light modes: constant light mode, slow flash mode, fast flash mode, burst flash mode, left and right flash mode, and flash mode in the middle to both sides. 9USB convenient charging, builtin 2000mAh 18650 lithium battery, to meet daily needs, USB fast charging methods are diverse. 10The taillights can be adjusted up and down to a suitable position for use , practical and convenient. 11IPX6 waterproof design, suitable for light to moderate rain use, please do not soak in water, please plug the USB cover tightly when using. 12Two installation methods: installed on the seat tube/seat cushion, the taillight is easy and convenient to install.SpecificationItem Type: TaillightMaterial: PCTaillight Size: Approx. 11.6 x 5.6 x 3.1cm /4.6 x 2.2 x 1.2inTaillight Weight: Approx. 262g / 9.2ozTaillight Battery: Built-in 3.7V Rechargeable 18650 Lithium Battery 2000mAh (built-in battery shipped)Taillight Charging: USB ChargingInstallation Method: Seat Tube, Seat CushionLighting Mode: 8 TypesRemote Control Battery: 1 CR2032 Button Battery 240mAh (built-in battery shipped)Package List1 x Tail Light1 x Remote Control1 x Seat Tube Bracket1 x Cushion Bracket3 x Silicone Strap1 x Wired Remote Control Base1 x Wireless Remote Control Base1 x USB Charging Cable1 x Hexagonal Tool2 x Screw