112 / 24H real time clock: display format (HH: MM: SS), (hh=hours, mm= minutes, ss=seconds), press one button to convert 12 / 24 hour formats. 2Count down / count up: Display format (HH: MM: SS), (hh=hours, mm= minutes, ss=seconds), from (00:00:00) to (99:59:59), almost 100 hrs Counting. 3Multi-functional programmable Modes,wall-mounted installation, easily-operate by IR remote controller. 4Brightness adjustable, buzzer sound is adjustable, long life-span light source, high brightness. 5Function Four: Alternate timing for training and rest. (F = Training time; C= Rest time 1= First group running; like F1 MM:SS C1 MM: SS; F2 MM:SS C2 MM:SS etc.) For example, You want to do five times exercise in 1minutes training and 15 seconds reset; Yo Description: The clock has multi-regulated allowed modes, wall-mounted installation, easily-operate by IR remote controller. Features: 12 / 24H real time clock: display format (HH: MM: SS), (hh=hours, mm= minutes, ss=seconds), press one button to convert 12 / 24 hour formats. Count down / count up: Display format (HH: MM: SS), (hh=hours, mm= minutes, ss=seconds), from (00:00:00) to (99:59:59), almost 100 hrs Counting. Multi-functional programmable Modes,wall-mounted installation, easily-operate by IR remote controller.Brightness adjustable, buzzer sound is adjustable, long life-span light source, high brightness. Function Four: Alternate timing for training and rest. (F = Training time; C= Rest time 1= First group running; like F1 MM:SS C1 MM: SS; F2 MM:SS C2 MM:SS etc.) For example, You want to do five times exercise in 1minutes training and 15 seconds reset; You can set F1 01:00, C1 00:15; F2 01:00, C2 00:15; F3 01:00, C3 00:15 F4 01: 00, C4 00:15; F5 01:00, C5 00:15. Specification: Condition: 100% Plug: EU Color: Blue / Green (Optional) Battery: 2 x AAA battery (Not included) Digit High: 1.8" Case material: Aluminum Mounting: Wall-mount Hang Stand on desk Size: 34 x 10.5 x 4cm / 13.39 x 4.13 x 1.57 inch (appr.) Package Included: 1x AC/DC Adapter 2 x Brackets and screws 1 x Remote control 1 x Clock (Not included the battery) 1 x User manual Note: 1. Due to manual measurement, there may be 0-3 cm error, please understand before your bid. 2. Due to the difference between different monitors, the picture may not be the actual color of the item.