Features 1. Intelligent high-definition, voice prompt. When you sense that you are about to open the door, a prompt sound will be emitted and the breathing colorful light will be on. 2. Low power consumption, reserved charging port, USB charging port, large capacity battery, low power, can cycle charging more than 500 times. 3. Stable and not falling off, the base is fixed with automotive professional double-sided adhesive, and comes with a built-in base design for easy removal and charging. 4. High quality materials, no need to worry about damage after long-term use. 5. When the light is insufficient, it will automatically flash. Specification Input voltage: 5V Product material: ABS Light response time: 2 minutes Applicable models: universal to all models Clearance distance: approximately 5cm Material: ABS Color: Black Size: 5.9 x 2.7 x 1 cm Weight: 33 g Package Include: 1x Car Door Voice Reminder (With Data Cable)