Detailed Product Description LED Countdown Timer, LED Countdown Meter, LED Countdown Indicator, DJS-A-3 Features: An LED is a semiconductor device that uses solid-state ... . LED Countdown Timer, LED Countdown Meter, LED Countdown Indicator, DJS-A-3 Specifications: Model Name: LED Countdown Timer, LED Countdown Meter, LED Countdown IndicatorModel No.: DJS-A-3 Display ...