Using flexible circuit board and M3 glue, it can be installed on the rearview mirror with curved surface. Applicable to all car models. It can be used in combination with turning lights or small lights. High-quality soft rubber material, high temperature resistance, waterproof material, durable. Use thin LEDs. 9 lights always on or turning: There are 9 light beads in total, which can be used as driving lights or turn signals (you can only choose one of the turn lights or driving lights). Advantages of LED: one-point light, fast light response speed. It is suitable for fast moving objects, low power consumption, can better protect the car circuit, increase the life of the battery, the service life is about 50,000 hours, and the traditional light bulb does not exceed 2 thousand hours. Specification: Model: 37 Part Number: SM-37 Voltage: DC 12V Light source: LED Number of LED lights: 9 Material: soft glue Applicable models: all car models. Service life: 2 years Product size: long 16.5cm/6.50inch, width 2.5cm/0.98inch Package Includes: 2 Pieces Turn Signal Light Note: 1. Before sticking this product, please wipe the surface of the rearview mirror with a stain remover. 2. When connecting the wires, please pay attention to distinguish the polarity of the wires and connect the wires correctly. 3. If the rearview mirror is a folding mirror, please reserve a long enough lead. 4. The wires should be secured to avoid breaking the wires when opening the door.