Ravemen TR400 Bicycle Rear Light

The RAVEMEN TR400 Bicycle Rear Light is a powerful and intelligent tail light designed to improve visibility and safety during both daytime and nighttime cycling. With up to 400 lumens of output and a wide 270° viewing angle, it helps make cyclists clearly visible from a long distance. The light can be seen from up to 2.6 km away and features a smart light-sensing system that automatically adjusts between daytime flashing and nighttime breathing modes. Its built-in brake sensor increases brightness for 3 seconds when braking, helping alert riders and traffic behind you. The TR400 also includes automatic on/off operation, a 2000mAh rechargeable battery, USB-C charging, and IPX6 waterproof protection. With mounting options for both seatposts and saddle rails, it is suitable for commuting, training, road cycling, and everyday riding.

Key Features

• Maximum Output: 400 lumens for strong rear visibility

• Visibility Distance: Visible from up to 2.6 km away

• Viewing Angle: 270° wide-angle visibility for improved side awareness

• Light Sensor: Automatically adapts the lighting mode according to ambient conditions

• Brake Sensor: Automatically increases rear light visibility for 3 seconds during braking

• Auto On/Off: Turns off after 2 minutes when stationary and activates when movement is detected

• Runtime: Up to 350 hours depending on the selected mode

• Water Resistance: IPX6 protection for reliable use in wet weather

• Charging: Hidden USB-C charging port for convenient recharging

• Battery Indicator: Built-in indicator helps check remaining battery level

Product Specifications

• Product Type: Bicycle rear light

• Brand: RAVEMEN

• Model: TR400

• LED: High-efficiency red LEDs

• Maximum Brightness: 400 lumens

• Battery: 2000mAh / 3.7V rechargeable Li-polymer battery

• Maximum Runtime: Up to 350 hours

• Viewing Angle: 270°

• Water Resistance: IPX6

• Dimensions: 43 × 26 × 66 mm

• Weight: 86.5 g

• Charging Port: USB-C

• Mounting Options: Seatpost and saddle rail mounting

Visibility & Smart Safety Performance

• Daytime Visibility: The powerful 400-lumen output and warning flash pattern help attract attention during daylight riding

• Light Adaptation: The built-in sensor automatically switches between Daytime Flash and Breathing Mode based on surrounding light

• Brake Detection: The intelligent brake sensor detects deceleration and increases the rear light output for approximately 3 seconds

• Wide-Angle Coverage: The 270° viewing angle improves visibility from behind and from the sides

• Long-Distance Visibility: The light can be seen from up to 2.6 km under suitable conditions

Easy Operation / Usage

• Power Control: Turn the light on and select the required lighting mode using the control button

• Smart Mode: Activate the light-sensing function for automatic adjustment between daytime and nighttime modes

• Brake Function: The integrated sensor automatically activates enhanced visibility when braking

• Auto Operation: When enabled, the light switches off after 2 minutes of being stationary and turns on again when movement is detected

• Charging: Open the charging access and connect the supplied USB-C cable to recharge the built-in battery

• Mounting: Choose the seatpost or saddle rail mount according to your bicycle setup and secure the light firmly before riding

Why Choose This Product

• High Visibility: 400-lumen output helps make cyclists easier to see in traffic

• Wide Coverage: 270° visibility improves awareness from multiple directions

• Smart Operation: Automatic light sensing and movement detection reduce the need for manual adjustments

• Brake Awareness: Dedicated brake sensing provides an additional safety feature during deceleration

• Long Battery Life: Up to 350 hours of runtime supports extended everyday use

• Weather Ready: IPX6 protection makes it suitable for riding in wet and challenging weather

• Flexible Mounting: Both seatpost and saddle rail mounting options provide installation flexibility

In the Box

• 1 × RAVEMEN TR400 Rear Light

• 1 × USB-C Charging Cable

• 1 × ABM14 Seatpost Mount

• 1 × ABM13 Saddle Rail Mount

• 1 × Manual/Warranty Card