This Altronix power supply and charger is a reliable and high-quality unit suitable for both 12 volt and 24 volt systems. With a 4 amp capacity, it provides ample power to keep your equipment running smoothly. The gray metal can design is durable and long-lasting, ensuring that your power supply will continue to function effectively for years to come. This model, the SMP5CTX, was made in the United States and is a trusted choice for many surveillance and alarm equipment needs.