This DCDC converter takes input in the range of 15 to 40 V DC and provides a regulated 12 V output at up to 30 A, designed as a waterproof monitoring car power supply. It is intended to power 12 V monitoring equipment and other devices from a vehicle's DC electrical system while withstanding harsh operating conditions. Key benefits Wide input range for versatile use: supports 15–40 V DC inputs, including 24 V systems, making it suitable for a variety of vehicles and power setups. Stable 12 V supply at current: delivers up to 30 A to reliably power multiple 12 V devices without voltage drop or fluctuations. Waterproof construction: designed for use in outdoor or weatherprone environments, providing reliable operation in challenging conditions. Protective power conversion: converts DC to DC with the goal of maintaining a consistent 12 V output to protect connected equipment from voltage variability. Monitoringfocused power solution: structured as a monitoring car power supply to support continuous operation of 12 V monitoring devices in vehicles. Key attributes Functionality: 24 V(1540 V) input to 12 V output DCDC conversion with up to 30 A capacity. Compatibility: suitable for automotive use with a 15–40 V DC input range and a 12 V output for monitoring equipment and related devices. Durability: waterproof design intended for car and outdoor monitoring applications, enabling reliable operation in variable environments. Applications and use cases Vehiclebased surveillance systems: powers 12 V CCTV cameras, NVRs, or other monitoring devices in trucks, buses, or vans that operate from a higher vehicle voltage. Fleet management and telematics: provides a stable 12 V supply to sensors, data loggers, and communication equipment in fleet vehicles, improving reliability and data integrity. Outdoor mobile monitoring: supports fielddeployed monitoring devices in vehicles, such as environmental sensors or portable monitoring stations that require a robust 12 V supply from a 15–40 V source. Technical overview (key specifications) Input voltage: 15–40 V DC Output voltage: 12 V DC Maximum load current: 30 A Construction: waterproof DCDC converter designed as a monitoring car power supply Application focus: automotive and vehiclebased monitoring equipment requiring a stable 12 V supply This product offers a reliable, current, waterproof DCDC conversion solution for powering 12 V monitoring devices directly from a widerange vehicle power source, combining robust protection with consistent performance for invehicle use.