Thank you for viewing. It has only been opened for operational check and lit up, so it is almost unused. (The protective film on the solar panel has not been removed) I own a different color and am selling the one I don't use. 【Features】 ◻️ Press the red button to switch between 4 modes. ① Solid light, high ② Solid light, medium ③ Flashing ④ Off ◻️ The charging status is displayed in 4 stages. ◻️ The buzzer is quite loud. I think it's necessary to be careful when using it to avoid trouble. - Type: USB solar rechargeable bicycle light - Accessories: USB cable, tail lamp - Colors: Black, Red - Functions: Solar charging, LED light - With buzzer Thank you for your consideration.