1. Battery capacity: 500mAh2. Lumen: 100lm3. Flood angle: about 180 degrees4. Material: PC+ABS5. Charging interface: USB6. Lamp beads: 24 3014+1 35357. Weight: about 64 grams for the seat cushion, about 56 grams for the seat tube8. Size: about 3.6x3 cmFeatures:1. During riding, the taillights will light up with high brightness when they sense the brakes, and the spotlights will increase the range2. Eight daily lighting modes, spotlight always flashes, always on (low/medium/high), regular flash (slow/medium), fast flash, breathing light3. USB charging, fast and convenient4. 180-degree widening surface, 3014 lamp beads combined with CATEYE mirror technology5. Intelligent start and stop, automatic/manual dual mode, click the automatic mode, long press 3S to start the manual mode6. Light-sensing start-stop: when a bright light is sensed, the tail light will automatically turn off, and when the light is dark, it will turn on again7. Vibration start and stop: leave the tail light for 30 seconds, the tail light will automatically turn off, and it will turn on again after sensing the vibration8. Small and exquisite, easy to carry9. Aluminum alloy material, frosted surface, high strength, waterproof and wear-resistant10. IPX6 waterproof, can also be used in rainy days11. Two installation methods (seat tube/seat cushion), clasp design, easy to disassemble and assembleSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 8.5cm * 5cm * 11.5cm / 3.35inch * 1.97inch * 4.53inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 pcs