Features:<br />Made of high intensity plastic material, impact-resistant and water-resistant, long lasting durability.<br />Equipped with a 900mAh lithium battery, come with a USB charging cable of about 3H for fully charging.<br />Highlight LED with multiple light modes, suitable for different occasions, improve safety at night. <br />Built-in loudspeaker effectively alerts passers-by to safety, much safer during night riding. <br />Tool-free installation, simple and quick operation, convenient to fix the light with the strap. <br />Great accessory for bicycle riding lovers, make you enjoy the trip. <br/>Specifications:<br />Material: Plastic <br />Color: Black <br />Voltage: 3.7V<br />Battery: Built-in 900mAh Lithium Battery <br />Charging Time: 3 Hours<br />Work Time: 36 Hours<br />Item Size: 94 * 32.5 * 26mm / 37 * 12.8 * 10.2in <br />Item Weight: 54g / 1.9oz <br />Package Size: 10 * 5.7 * 5cm / 3.9 * 2.2 * 2in <br />Package Weight: 109g / 3.8oz <br/>Package List: <br />1 * Bike Light <br />1 * Remote Control