Product Description Description: Function: Chime Music Box plays the melody on the hour, with 4 kinds of melody. Design: Two black wires on the music box connect to the speaker, two blue wires connect to the movement. SET: Chime time setting button. After pressing the "SET" button once, the chime time will advance one hour, but after pressing "SET" once, the quarter-hour chimes will not work correctly for the hour after the time is set. The correct chime will start at the next full hour. Practical tools for you: This music box can be used when you are doing DIY clock accessories, convenient for you to design and make your own pendulum clock. Note: Two 1.5V zinc batteries only, not included. Please do not use high current batteries, rechargeable batteries, will damage the movement. Specification: Name: Clock Chime with Material: Plastic Color: Black Size: 58x58x16cm/22.83x22.83x6.30inch Battery: 2 x 1.5V zinc batteries only (not included) The fonts on the product, the numbers are