[Multi-function Interval Timer] The countdown timer has 5 different modes: Normal time mode, Countdown mode, Count-up mode, Stopwatch mode, and Interval mode. [Visible LED Gym Timer] Featuring an LED display and loud buzzer, this interval timer offers clear, bright numbers that can be easily seen from anywhere in your gym or home. The display is highly visible and the alarm is sufficiently loud. The timer will beep 3 times when the countdown reaches 3 seconds. [Pre-programmed Timer Settings] This timer comes with preset workout programs: Button FGB1: 5 minutes work, 1 minute rest, repeat for 5 rounds; Button FGB2: 5 minutes work, 1 minute rest, repeat for 3 rounds. Each session begins with a 10-second preparation period. [Customizable Interval Timer] Easily customize your workouts by setting work time, rest time, and number of rounds. Ideal for HIIT training, including 1-minute on/1-minute off routines. Beep alerts indicate interval changes, and a 10-second prepare time can be set before each round. Perfect for training and rest timing. [Important Tips] Adjust display brightness with the remote control (5 levels available). This timer is powered via AC outlet or USB (compatible with power banks). The remote control is required for operation. Remote control requires 2 x AAA batteries (not included). Color: Black Material: ABS Size: 27 x 8.8 x 3 cm Package Contents: 1 x Timer 1 x Remote Control 1 x USB Cable 1 set x Installation Accessories Note: Only the items listed above are included. Light and screen differences may cause slight color variations between the image and the actual product. Measurement error allowed is +/- 1-3 cm.