Features: Multi angles Visibility: Featuring a 4 sided display screen with bright red digits, this timer ensures clear visibility from any angles during chess, mahjong, or board games, solving single display limitations for group play in homes and tournaments. Versatile Timing Modes: offer 5 customizable modes including countdown/stopwatch functions with 99min59sec capacity, perfect for competitive mahjong, chess pair , and varied gameplay scenarios requiring precise time management. Portable Battery operate : Powered by 2 batteries (200 hour life ) for cordless use any where, making it ideal for travel, outdoor gatherings, and venues without power access unlike plug in timers. User Friendly Controls: Simple button operated interfaces designed for all ages with fast setup, eliminating complex programming found in professional chess clocks for effortless home and casual use. general Game Companion: Enhances fairness in tournaments and family game night alike, serving chess enthusiasts, mahjong players, and school competitions with stable , tournament grade timekeeping. Specifications: Component : ABS Size: about 8x8x9cm/3.15x3.15x3.54inch Package Includes: 1xChess Timer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.