Downwards opening vertical sliding window powered by electric actuators. Window is designed for internal installation and available in various widths (from 1.1 to 1.74 m) and heights (1.42 to 2 m), each adapts well to both port and starboard installation. Constructed in AISI 316 stainless steel varnished black (standard), with 8 and 10.4 mm thick glass.