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

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