Welcome to our store！</br> 1、High luminous flux bicycle headlights have high visibility, allowing you to keep a safe distance in the dark. 2、The bicycle speedometer accurately tracks the speed and distance to help you have more fun and make your bicycle riding easier. 3、130 high decibels, five sound modes, the speaker sound effect can be switched in one second, and the loud sound can play a better warning effect. 4、Split horn design, double switch button, easy to honk when braking, can be installed in the most convenient position according to your habits. 5、To prevent bicycle theft, a new alarm function is added. Press and hold the switch for three seconds to turn on the alarm mode. After 2 seconds, it will enter the armed state and touch the car to sound the alarm. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Bicycle Computer Horn Light Material: ABS+GPPS Sound Decibel: 130db Weight: Approx.171g/6oz Battery: Lithium Battery 1200mAh (with Battery) <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Lamp 1 x Base 1 x USB Cable 1 x Sensor 1 x Horn Controller 4 x Cable Tie 1 x Magnet Transmitter&nbsp; 1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>