Material: Wooden. Feature: London+Beijing+New York time display. Function: Wall clock and wall sticker. Movement: Quartz, 1x AA battery(Not Include) for each clock. Installation: Map has stickers on the back, wall clock should is installed with nails, Puzzle-assemble is required for whole set installation. Application: Reading room, public space, office, bedroom, living room, porch, bedroom, hotel, etc. Specification: Size(LxW): Approx. 130x60cm / 51.18x23.62inch Clock Diameter: 13.5cm / 5.31inch Recommended installation surface length : 1.5-3.8m / 59.1-149.6inch Package Includes: 1 Set Map Kit 3 Set Clock Hands 1 Piece Installation Model 3 Piece Clocks 3 Pieces City Mark Panel 3 Pieces Traceless Nails