Đèn LED di động 3 trong 1 có thể sạc pin đầu USB dùng gắn xe đạp đi trong đêm an toàn tiện lợi

3 in 1 USB Rechargeable Waterproof T6 LED Bike Front Light+ Bicycle Computer+ Electric Bell
Feature:
1. 4 lighting modes: long press light switch for 3 seconds to turn on: T6 glare - T6 weak light - T6 flash + 2x yellow LED glare - long press light switch 3 seconds to turn off
2. Bicycle front light+bell+computer three-in-one design
3. Battery display: always know the battery capacity of your lights
4. 150° floodlight: The rider can clearly see the road ahead and the left and right road conditions. At the same time, the floodlight will not be bloed by the owner's body, which is convenient for the rear vehicles to see, play a warning role and ensure driving safety.
5. Switch button / open button, double switch design: easy to operate, press the ring open button, the bell rings, press the ring switch button to switch the whistle, horn, alarm, and loud sound.

Specification:
Product size: 105 x 57 x 41mm/4.13 x 2.24 x 1.61"
Product net weight: 110g
Product material: ABS
Colour: Bla

Light
LED: 1xT6+2x yellow LED
LED life: 50,000 hours
Power: 10W
Current: DC
Lighting mode: 4 modes: T6 glare - T6 weak light - T6 flash + 2x yellow LED glare
Brightness: 500LM
Light color: white light + yellow light
Illumination angle: 150°

Waterproof rating: IPX4
Battery: Built-in 1500mAh poly battery (included)
Working time: 3-5 hours
Charging time: 3.5 hours
Lighting distance: 100 meters
Switch: light switch button + SET button (+) + MODE button (-)
Rechargeable: Yes
Charging mode: micro USB charging
Applicable pipe diameter: universal for common bicycles
Certification: CE

Bell
Sound intensity: 120 decibels
Type of sound: whistle - horn sound - alarm sound - loud sound
Button: ringtone on button + ringtone switch button

Computer
Display:
Km/h: the current riding speed
ODO: the total riding mileage after it is set
DST: the single riding mileage of the last ride after the system is hibernated and restarted.
MXS: the maximum speed of the last ride after the system is hibernated and restarted.
AVS: the average speed of the last ride after the system is hibernated and restarted.
TM: the time of the last ride after the system is hibernated and restarted.
Press the SET button to switch display of ODO-DST-MXS-AVS-TM

Data setting:
1. After power-on for 2 seconds, the upper part is the current battery level display, and the lower part is the computer unit setting. The default is metric unit (Km/h).
2. Press the MODE button once to switch to the English unit.
3. Press the MODE button and the SET button simultaneously for 5 seconds, the system enters the soft start, and all the settings are cleared. The system is the same as the new power-on hine.
4. After setting, press the MODE button to determine the speed unit.
5. At this time, the default tire circumference is displayed. Press the MODE button. The tire is increased once. The unit is cm. The setting range is 10cm-315cm.
6. After setting, press SET to enter the initial total mileage setting.
7. At this time, there a