Model Number: CL-108-1 Brand Name: OVO Key Specifications/Special Features: ■Wall clock made of pure light■Roman or numerical clock face with ticking second hand■Desktop or ceiling mount■6m the furthest projection distance (at 3 meters back, the clock is around 100cm in diameter: at 6 meters back, the clock is nearly 200cm in diameter)■ with red/blue/yellow color filters to alter the face color■Low power consumption■40,000 hours LED life■AC powered (for LED light)■Battery: UM3 (AA) X 1 (for clock, not included)■ Unit is 135mm in diameter