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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
SF31 Bicycle Smart Brake Taillight USB Alerter Night Ride Ride Mountain Vehicle Turn LED Taillights, SF31 New Remote Control1. Press the remote control electric bell button to alert the surrounding pedestrians and vehicles to avoid 2. Anti theft alarm function, remove the remote control to arm when parking, scare off thieves 3. PC+UV material, waterproof and dustproof, high and low temperature resistance 4. Waterproof and dustproof structure, easy to install, suitable for all kinds of vehicles 5. Warning light will come on automatically when crossing tunnels or travelling
1. Press the remote control electric bell button to alert the surrounding pedestrians and vehicles to avoid
2. Anti-theft alarm function, remove the remote control to arm when parking, scare off thieves
3. PC+UV material, waterproof and dustproof, high and low temperature resistance
4. Waterproof and dustproof structure, easy to install, suitable for all kinds of vehicles
5. Warning light will come on automatically when crossing tunnels or travelling at night
6. Press the left and right turn button when you want to turn
7. Light braking, brake light will be on immediately
8. Remote control battery: built-in CR2032 button battery
9. Wireless distance: 50 to 60m in the open
10. Power supply: USB charging / built-in 18650 lithium battery
11. Function: warning + brake + steering + electric bell + anti-theft
12. Luminous flux: 160LM
13. Charging time: 7 to 8h
14. Usage time: flashing about: 70h constant light about: 35h
15. Transmitting and receiving frequency: 433.92MHZ
16. Battery capacity: 2000mah / 3.7v
17. Six warning tail light modes: slow flashing, breathing, flashing, constant light, emergency double flashing, tail light off
18. Operating ambient temperature: -40 to 60 degrees Celsius
19. Voltage: 3-4.2v
20. Current: 0.18A
21. Light source power: 15.5w
22. Dimensions: 125 x 49 x 29cm
23. Weight: 272g
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 3
Waste of Money
Color: Orange
Cool toy but my dog ate through it the second day he played with it. It is not for strong dogs. No durability. I had to throw away the orange covers and now he just throws it around.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Cool toy. Fun for all
Color: Blue
A cool toy. entertainment for the dogs but more so for the dog parents to watch the dogs reaction. Comes with an additional rope just in case, which I loved. Only side note I would say is that the fast mood could be a little faster. My Golden retriever figured out the speed in less than 24 hours and now picks up the toy to try to chew it up, instead of chasing. With him attempting to chew on the toy in the small time I give him, there are no teeth marks yet…this toy appears to be durable. We play in short increments but enjoy the toy.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Must get!, Great interaction, mind stimulation
Color: Orange
Love this my pup can't get enough. My pup loves this and is hard on it. She throws it all around chases it and guards it like it is her child. It is strong, sturdy easy to charge and fun to watch her engage with it.
Definitely must have and I will buy more. It shakes and rolls around, it walks itself and engages the pup to chase. The design is spectacular. It is light weight and the noise level is typical of a toy engaging response.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Awesome ball and made to last!
Color: Black & Yellow
Awesome ball! My dog loves it and plays with it all the time. He's a very aggressive chewer and there are only a few toys he can have without destroying them. Very pleased with this.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Pretty tough
Color: Black & Lake Blue
I think the toy is great, but my dog was not excited about it. He prefers the original type which is larger. I think it could possibly be cracked open by a dog with a large mouth and is intent on getting the noise maker out. But it is pretty tough.
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Reviewed in the United States on April 22, 2026