1. Weight: 20 g 2. Lamp beads: LED highlight lamp beads 3. Material: ABS 4. Brightness: 20 lumens 5. Charging time: about 2 hours 6. Contains: tail light, data cable, silicone strap 7. Features: the angle can be adjusted up and down, the irradiation surface can be widened by 180 degrees, light and portable, five-light modes can be adjusted (first gear medium light / second gear strong light / third gear slow flashing / fourth gear flashing / fifth gear fast flashing) , USB universal charging port, plastic lamp body, scratch-resistant and drop-resistant, simple installation, waterproof and dustproof, durable
