ITEM NAME:Mountain Bike Bicycle Taillight Wireless Remote Turn Signal Waterproof Camping Description: Warning: highlight LED, red and blue LED flashing to ensure warning effect. Applicable scenarios: for night use, such as bicycles, strollers, jogging, walking, road emergencies and camping. Safer: its directional flashing indicates that the safety factor of driving at night is greatly improved. Long time use: the tail light uses a built-in 500mah rechargeable battery, the use time can reach 4-5 hours.. Easy to install: easy to use and convenient. Waterproof effect: the surface waterproof effect reaches IPX2, ensuring daily use. Functions:&;nbsp; 1. Remote control: 3 buttons in total, each button is equipped with A. Left turn signal button: press the left steering button, the button indicator flashes, the left rear steering indicator flashes, and then press the button to turn off the indicator. B. Right turn signal button: press the right turn button, the button indicator flashes, and the right rear turn indicator flashes, then press the button to turn off the indicator. C. LED light button: press the LED button, the button indicator is always on, and the tail light is always on. Press the LED button again, the button light flashes, and the tail light flashes red. Press the LED button a third time to turn off the red light on the tail light. 2. Tail light: a switch button, red LED warning light, yellow LED indicator light. Tips:&;nbsp; 1. No disassembly or reinstallation is allowed without permission. 2. This product can only prevent rain. Please do not immerse it in water. 3. Please turn off the tail switch button after use to avoid battery leakage. 4. Be careful not to replace the battery by yourself. Specification: Material: plastic Shell color: black Size(approx): tail light: 125*40mm/4.92*1.57inch(L*H) &;nbsp; &;nbsp; &;nbsp; &;nbsp; &;nbsp; &;nbsp; &;nbsp; &;nbsp;remote control: 40*51.5mm/1.57*2.03inch(L*H) Tail light battery: built in rechargeable batter Remot.B. Right turn signal button: press the right turn button, the button indicator flashes, and the right rear turn indicator flashes, then press the button to turn off the indicator. A. Left turn signal button: press the left steering button, the button indicator flashes, the left rear steering indicator flashes, and then press the button to turn off the indicator.