Based on this product's specifications, here are some alternatives and similar models
Power adapter/inverter 2-Power 2P-450-ADTR Width 48 mm Depth 113 mm Height 30 mm
Summary description:
The 2-Power 2P-450-ADTR is a compact power adapter/inverter with dimensions of 48 mm in width, 113 mm in depth, and 30 mm in height. It is designed for efficient power conversion and is suitable for various electronic devices.