The HPD-1 consists of a large case with a prominent circular section at one end that contains the clearing charge and Misznay Schardin effect warhead, and a rectangular section that contains the batteries and seismic and magnetic sensors that the electronic fuze uses.
The HPD-1 comprises a substantial case featuring an expansive circular section at one end housing the detonating charge and Misznay Schardin effect warhead, alongside a rectangular compartment containing batteries and sensors used by the electronic fuze.