CHESS CLOCK: Professional digital timer with count up and countdown function, supports up to 10 hours, suitable for chess, Chinese chess, and other board games. ALARM FUNCTION: Sounds an alert when time expires. Alarm can be turned on or off. Easy setup with memory settings. LARGE HIGH DEFINITION DISPLAY: Features a large, clear display with high contrast colors for easy reading. ECO-FRIENDLY DESIGN: Made with premium electronic components and ABS plastic shell, designed to be durable and environmentally friendly. BATTERY: Requires 2 AAA batteries (not included). COLOR: Black MATERIAL: Plastic SIZE: 14 x 8.8 x 4.5 cm PACKAGE CONTENTS: 1 x Chess Clock Note: Other items not included. Lighting and screen differences may cause slight color variation between image and actual product. Measurement error allowed within +/- 1-3 cm.