Bicycle lamp Weight: 130 g Material composition: Aluminum, ABS, silicone Properties: Lumens: max 400 lm White LED 5 modes: strong, medium, weak, pulsating, SOS Li-ion battery: 1200 mAh Charged via USB Battery included Charging time: 1 hour Max. lamp operating time: 6 h Fits handlebars 25.4 to 31.8 mm