Detailed Product Description LED Countdown Timers, LED Countdown Meters, LED Countdown Indicators, DJS-C-1 Features:An LED is a semiconductor device that uses solid-state ... .LED Countdown Timers, LED Countdown Meters, LED Countdown Indicators, DJS-C-1 Specifications:Model Name: LED Countdown Timers, LED Countdown Meters, LED Countdown IndicatorsModel No.: DJS-C-1 ...