alextreme Bicycle Generator Mobile Dynamo Bicycle Bike 5V 1A Output Built-in 1000Mah Battery Night Riding Tool New Cycling

Please note, this item ships from an international seller. Expected delivery is 10-15 days.Feature: 1. Wide applicability can be installed in the front fork back fork between 15-41 mm diameter all of the bike. 2. Portable size,easy install 3. Energy conservation and environmental protection. 4. Speed at 5-30 kilometers ,wil produce 100-1000Ah electric power 5. Double USB output interface,4 Style Single Light to Remind the Electricity Specification: Item Name: Chain Type Bicycle Dynamo Size: 80 x 50 x 80mm Battery Capacity: 1000mAh Standby Current : <30uA Output power: 5V/1A Working Temperature: -10 -40 degree

1. Wide applicability can be installed in the front fork back fork between 15-41 mm diameter all of the bike. 2. Portable size,easy install 3. Energy conservation and environmental protection. 4. Speed at 5-30 kilometers? ,wil produce 100-1000Ah electric power 5. Double USB output interface,4 Style Single Light to Remind the Electricity Specification: