Feature: 1. Have 5 different functions. 12/24 hour clock, stopwatch, countdown or countdown timer and interval timer. 2. Can be controlled through wireless remote operation, easy and convenient to use and operate. 3. Can remind training fitness, have a buzzer inside the timer, so you can concentrate on exercising. 4. Clear LED and high contrast display allows you to see the bright LED numbers from all corners of your gym or home. 5. Suitable for gym training and rest, great for both group training or individual home fitness training. Specification: Item Type: LED Interval Timer Material: Aluminum alloy, PVC and high-gloss glass Shell Material: New aluminum alloy Product Size: Approx. 27 x 8.8 x 3cm / 10.6 x 3.5 x 1.2in Purpose: Timing, training and fitness Input Voltage: 5V 2A Remote Control Battery: AAA battery x 2 delivered without battery Package List: 1 x Charging Cable1 x LED Interval Timer 4 x Screw  2 x Holder 1 x Remote Control 1 x User Manual How to use: Plug in and use, remote control operation.