Room 77, a hotel search engine to reveal room-specific details, today announced it has secured $10.5 million in Series B financing. The round was led by General Catalyst Partners with participation from existing institutional and angel investors, including PAR Capital Management; Sutter Hill Ventures; Felicis Ventures; Rich Barton, founder of Expedia and co-founder of Zillow; and Erik Blachford, former president of IAC Travel.

Room 77, which officially launched in public beta in February, has collected and indexed data on more than 500,000 hotel rooms in 2,500 properties and also crowdsources reviews and ratings from travelers.

The site provides travelers with specific details about each hotel room at a property, including the room category, square footage, bed type, elevator proximity and if it is a connecting room. For each room, Room 77 also generates a virtual Room View, simulating the actual view from that room’s window using Google Earth-enabled technology.