The first picture is a product picture, the other pictures are sample displays Description: Colour: Black Material: ABS plastic Bell: 120 decibels Size: 10.8*5.2*4.4cm Battery capacity: 4000 mAh Lumens: true 800 lumens Specifications: 1. High brightness bicycle light, 1800 lumens, There are L2 lamp beads inside, and other sellers are T6. The brightness of L2 is higher, and the driving is safer and worry-free. 2. Built-in smart sensor The brightness can be changed automatically with the outdoor light, which is more energy-saving and smarter. When the outside light is sufficient. When the outside light becomes darker, it will automatically become darker. It will automatically brighten 3. 4000mAh large capacity rechargeable battery It can maintain a long battery life of 20 hours in low light. 4. Wire control switch No need to leave the handlebar with both hands, and safer operation can be achieved even at high speeds. 5. Built-in 120db speaker Remind pedestrians or vehicles on the road more effectively to ensure safer driving. 6. With mobile power function, The mobile phone can be charged in an emergency when it is turned off for a long distance, and it is worry-free for long distances. 7. Battery level indicator display Power display, battery life is clear at a glance, and you can better control the driving rhythm. When the bicycle light is charging, the indicator light also works. 8. Aluminum alloy shell The aluminum alloy shell of the head provides more efficient heat dissipation and durability, even if it is dropped, it will not be damaged. 9. Waterproof design It is not recommended to use it under heavy rain for a long time, and wipe it in time after rain. Package Included: 1 Front light + fixed bracket + charging cable + speaker controller / + wire control belt + installation tool