Features: 3 channels timer. Each timer can be started independently or simultaneously. Timer has a wide range from a minimum of 1 second to a maximum of 99 hours 59 minutes 59 seconds to monitor up to 3 events simultaneously. Large LCD screen for 3 group TIMER digits display, displays in 12/24 hour AM/PM format. memory function. The "Start/Stop" button to remember the last setting. When the time is up, the automatic replacement will appear with a 1 minute alarm to track your time. Multiple placements. Can be attached to fridge door with magnetic back or stand for table top. Great for cooking food, homework, exercise, gym workout, sports, games, office and classroom timer activities. Specifications: Material: ABS. Color: white + gray, white + black (sent at random) Power supply: 2 x AG13 button cell (not included). LCD Size: Approx. 40 x 44mm / 1.57 x 1.73 inch Product Size: Approx. 65 x 90 x 10mm / 2.55 x 3.54 x 0.39inch Package weight: about 54g. Package Contents: 1 x multi-channel timer Surgery: 1. Press KEY button to start T1 countdown, T2 button to start T2 countdown and T3 button to start T3 countdown. 2. Press the T1, T2 or T3 button again to stop the T1, T2, T3 timer. Press again to continue the countdown. 3. Press the "Clear" button to reset a timer setting or reset all 3 timer settings when the timer is in pause status. 4. Press "START/STOP" button to recall or bring back the last setting. When the timer is reset to zero, a save message will appear on the screen.