... -7 years, or longer, compared to just a year for a comparable incandescent light signal. LED Countdown Timers also ... Timers, LED Countdown Meters, LED Countdown Indicators, DJS-A-1 Specifications:Model Name: LED Countdown Timers, LED Countdown Meters, LED ... Countdown IndicatorsModel No.: DJS-A-1 Display Mode: 0-99Power ...