Experience unparalleled safety and convenience with our Intelligent Bike Taillight. This multifunctional device combines warning lights, brake tail light, turn signals, an electric bell, and anti-theft alarm, all controlled wirelessly—a perfect companion for every cyclist. Key Features: 5-in-1 Functionality: Equipped with warning lights, brake tail light, turn signals, electric bell, and an anti-theft system to enhance your cycling safety. Multiple Light Modes: Enjoy 6 light modes including red light flashing, breathing, burst flashing, steady on, yellow light emergency double flashing, and tail light off. Easily switch between modes with a single button for effortless operation. Automatic Mode: In intelligent automatic slow flash or breathing mode, the light senses ambient brightness after 30 seconds and adjusts automatically—turning off in bright conditions and activating in low light. Brake Sensing Technology: The brake taillight instantly switches to high-brightness mode for two seconds upon detecting braking, ensuring timely alerts to vehicles behind for safer nighttime rides. Anti-Theft Alarm: Activate the anti-theft alarm by removing the remote. An 110dB sound combined with light alarms deters thieves, keeping your bike secure. Long Battery Life: Powered with a 2200mAh lithium battery, recharge using various sources such as power adapters, PCs, or power banks. Enjoy long-lasting use without frequent battery changes, promoting both environmental consciousness and cost savings. Wireless Control: The accompanying remote control allows easy management of turn signals, light modes, electric bell and arming/disarming. The taillight installs effortlessly without wiring, saving you time and effort. Durable and Weather Resistant: Constructed from high-quality PC material, this taillight is durable, waterproof, dustproof, and temperature-resistant, ensuring excellent performance in challenging outdoor conditions. Specifications: Color: Black Material: PC Voltage: 5V Remote Control Distance: 30-60 Meters Frequency: 433.92MHz Host Battery: 1x 18650 3.7V 2200mAh Lithium Battery Remote Battery: 1x CR2032 Button Battery Alarm Volume: 110dB Waterproof: Yes Operating Temperature: -40 to 60°C Working Humidity: