Item Type: LED Interval Timer_x000D_ Material: Aluminum alloy, PVC and high-gloss glass_x000D_ Shell Material: New aluminum alloy_x000D_ Product Size: Approx. 27 x 8.8 x 3cm / 10.6 x 3.5 x 1.2in_x000D_ Purpose: Timing, training and fitness_x000D_ Input Voltage: 5V 2A_x000D_ Remote Control Battery: AAA battery x 2 (delivered without battery) 1Have 5 different functions. 12/24 hour clock, stopwatch, countdown or countdown timer and interval timer. 2Can be controlled through wireless remote operation, easy and convenient to use and operate. 3Can remind training fitness, have a buzzer inside the timer, so you can concentrate on exercising. 4Clear LED and high contrast display allows you to see the bright LED numbers from all corners of your gym or home. 5Suitable for gym training and rest, great for both group training or individual home fitness training.1 xCharging Cable 1 xLED Interval Timer 4 x Screw 2 x Holder 1 x Remote Control 1 x User Manual