SF31 Bicycle Smart Brake Taillight USB Alerter Night Ride Ride Mountain Vehicle Turn LED Taillights(Black)

The SF31 Bicycle Smart Brake Taillight is designed for bicycles to enhance visibility during night rides. It features multiple functions including warning, brake, steering, and an electric bell.

• Product type: Taillights
• Compatibility: bicycles
• Material: PC+UV
• Waterproof and dustproof
• Color: Black
• Intended use: outdoor use
• Remote control electric bell button to alert pedestrians and vehicles
• Anti-theft alarm function
• High and low temperature resistance
• Easy to install
• Warning light activates in tunnels or at night
• Left and right turn buttons
• Light braking activates brake light immediately
• Remote control battery: built-in CR2032 button battery
• Wireless distance: 50 to 60m in the open
• Power supply: USB charging / built-in 18650 lithium battery
• Function: warning + brake + steering + electric bell + anti-theft
• Luminous flux: 160LM
• Charging time: 7 to 8h
• Usage time: flashing about: 70h constant light about: 35h
• Transmitting and receiving frequency: 433.92MHZ
• Battery capacity: 2000mah / 3.7v
• Six warning tail light modes: slow flashing, breathing, flashing, constant light, emergency double flashing, tail light off
• Operating ambient temperature: -40 to 60 degrees Celsius
• Voltage: 3-4.2v
• Current: 0.18A
• Light source power: 15.5w
• Dimensions: 125 x 49 x 29cm
• Weight: 272g