ITEM NAME:New 1.8inch LED Electronic Timer GDD7939.9SIW-RED Description: Easy operate using remote controller Use high accurate time chip keeps inaccuracy within 1 minute per year LED with 10 years lifespan High bright LED Specification: 12/24hour time of day (12hour format: H2 HH:MM; 24hour format: H1 HH:MM) Stop Watch (Minutes Seconds: Hundredths of a second 00:00:00 to 99:59:00) Countdown & Count up (Countdown format : dn MM:SS from 99:59 to 00:00 ; Count up format: UP MM:SS from 00:00 to 99:59) 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.) You set several groups of training and rest time and then it will run from first group to last group. Digit High: 1.8"/4.5cm Time format: 12&24hour format Control by wireless remote control Dimension: 34.5cm W x 10cm H x 4cm D / 14"W x 4" H x 1.6"D Case material: Aluminum Adapter: AC110~250V to 5VDC; Plug: Corresponding with your Countries standard Mounting Method: Wall-mount Stand on desk Package Includes: 1 Piece Electronic Timer.LED with 10 years lifespan. High bright LED. Plug: Corresponding with your Countries standard. Adapter: AC110~250V to 5VDC;. Case material: Aluminum.