Dear customer, the listed price is for reference only. Discounts are available for bulk orders, customization is possible, and printing is available LOGO, our company specializes in cross-border supply and foreign trade wholesale for over a decade, focusing on the research, production, and sale of high-brightness flashlights, headlamps, work lights, and other outdoor lighting products. We ensure no infringement, introduce new products every month, and seek sincere cooperation for a win-win situation. We can provide image packages, videos, and certifications required for major cross-border platforms. We offer custom design and exclusive sales. We welcome cross-border e-commerce and foreign trade buyers to contact us for negotiations. For invoicing inquiries, please contact customer service Product Details Q2L domestic e-commerce price control: The listed price is 49 yuan and must not be lower than this price For the first use, you need to simultaneously press the remote control button on the car light and the light button on the remote control until the sound disappears, indicating that the connection has been established. No need to pair again for subsequent uses. 502240 100PCS 9/10KG Instructions for use: 1. Check the battery: Ensure the battery has power and is installed in the correct direction in the flashlight 2. When using a flashlight, choose the battery according to the flashlight's voltage and battery requirements; do not use the wrong battery to avoid damaging the circuit board. Do not use batteries of different models and voltages simultaneously 3. During use, when the brightness of the flashlight changes significantly, turn off the flashlight to prevent over-discharging of the battery and recharge it promptly. Pay attention to the battery's waterproof, moisture-proof, and drop-proof features. When charging, according to the charger's charging speed, remove the battery in time after the indicator light changes, and do not overcharge 4. Batteries that are not used for a long time should be fully charged and then discharged again approximately every three months to avoid chemical corrosion