This smart bike tail light combines rear lighting and motion-based alarm functionality in one compact device. Designed for bicycles and motorcycles, it features brake sensing technology, remote control operation, and audible alert support.

Suitable for everyday riding and parking situations.

4-in-1 Function Design

This device integrates:

• Rear tail light
• Brake sensing light
• Motion-triggered alarm
• Remote-controlled alert function

The light increases brightness when braking or slowing down to improve visibility.

Motion Alarm & Remote Control

When armed, the device can trigger a loud alarm (up to 110dB) if movement is detected. The remote controller allows arming and disarming from a distance.

Pairing between the alarm unit and remote is required before first use.

Automatic Light Activation

The tail light supports multiple flashing modes and can automatically activate in low-light environments such as tunnels or night riding.

Brake Sensing Technology

The built-in brake sensing system increases rear light intensity when deceleration is detected, helping improve visibility to nearby riders and drivers.

Durable and Rechargeable Design

Made from PC + anti-UV material, the device is designed for outdoor riding conditions. It includes a built-in rechargeable lithium battery and supports USB-C charging (5V)

• Alarm Sound Level: Up to 110dB
• Alarm Battery: 4.2V 700mAh Lithium Battery
• Working Time: Approx. 1–3 months (usage dependent)
• Standby Time: Up to 6 months
• Charging Port: USB-C 5V
• Remote Battery Options: 27A (12V) or CR2032 (3V)
• Working Frequency: 433.92MHz
• Operating Temperature: -40℃ to +70℃
• Size: 8.6 × 8.1 × 6.5 cm
• Connection Type: Wireless

• Bicycle rear safety lighting
• Motorcycle rear visibility
• Parking alert support
• Night riding conditions

USB-C Rechargeable：

700mAH li-polymer Battery, Full of electricity once, you can use 1-3 months, and the standby time can reach 6 months

IPX5 waterproof and dustproof：

PC+ anti-UV material, It can be used normally on rainy days, and effectively protects your safety

Find a bicycle function:

the remote control distance is 69TF, you can easily find your own car in a bunch of bicycles

There are 7 sensitivity adjustable:

and the maximum decibel can reach 110dB

one alarm can pair up to 8 remotes

Reminder:

1. If you are worried about not knowing how to use the product, you can contact us and we will send you the document of the product manual by email. You can copy the text and translate it into the language you want.

2. Before the first use, please charge it first, and then it can be used normally after activation. It is recommended to use it again after it is fully charged

3. One host can be equipped with 8PCS remote controls

4. If you encounter any product and logistics problems, please leave us a message in time and we will reply as soon as possible.