Wide adaptability This car holder is designed to fit a variety of vehicles, including cars, boats, and other automotive applications. It serves as a protective device for your audio system and other electrical equipment, helping ensure safe, smooth operation. Dustproof design Built to withstand challenging environmental conditions, the holder is dustproof and suitable for use in a wide range of vehicles and outdoor applications, including cars and boats. Automatic power cutoff The holder features an automatic power cutoff that activates when current exceeds a safe limit. This helps prevent damage to your audio system, amplifier, or other electrical components by stopping the power supply during overload conditions. Durable and reusable Constructed with robust materials, the holder is designed for repeated use. It provides reliable protection for your electrical system, particularly the audio power cord, from overcurrent issues, supporting longterm functionality. Applications Protects car or boat audio systems and amplifiers from power surges and overcurrent situations in everyday driving, boating, and outdoor setups. Suitable for multivehicle use, allowing the same protective device to be moved between cars, boats, or outdoor equipment as needed. Ideal for environments with dust, dirt, or harsh conditions, where electronics require reliable shielding and safe power management.