1. Single-Sided Scoreboard 2. High visibility red digital LED,4 digits 3. Counts down from 99’59”-0,counts up from 0-99’59” 4. Normal Countdown Timing Select:45mins,20mins,12mins 5. Remote control with cable,3.0 meters extension cable 6. Power Supply Method External Lithium Battery 7. Working Voltage 24VDC 8. Light-emitting Device Φ3mm Red LED, life of 10,000 hours 9. Working Environment Temperature range:-10°C–50°C 10. Relative Humidity <85% 11. Protection Degree IP62 12. LED Display Size 345x150mm 13. Apparent Size: 435.0 x 235.0 x 50.0 mm 14. N.W. 1.7kg 15. G.W.:2.2kg