Features: - Waterproof. - With compass design, give you more convenient. - This chronograph stop watch with alarm and hourly chime function. - Show hour, minute, second, AM/PM indicator, month, data, and day of the week. - You can select 12 or 24 hour user with this chronograph digital sports stop watch. Specification: Material: Plastic Powered by: Button battery (included) Size (L x W x H): 8.0 x 6.4 x 2.0 cm User Manual: - Alarm switch: Press and hold RESET and START/STOP. - Stopwatch setting use: Under the normal time display, press the MODE button once to enter the stopwatch state, press the START button (right button) to start timing, press the START button for stop again, and press the START button for continue again. When the stopwatch is stopped, press the SPLIT button (left button) to reset to zero. - Alarm time setting: Under the normal time display, press the secondary MODE button to enter the alarm time setting state, press the START button (right button) to start the adjustment, press the SPLIT button (left button) to switch to the adjustment. - Time setting: Under normal time display, press MODE button three times to flash, press SPLIT button (left button), you will see minute flashing, then press START button (right button) to adjust, press SPLIT button (Left button) will see the hour flashing, then press the START button (right button) to adjust, press the SPLIT button (left button) will see the days flash, then press the START button (right button) to adjust, press MODE The key exits. Package Content: 1x Digital Sports Timer Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.