TR1 Series – Countdown timer with external manipulative lead
- LCD screen size 30 x 15.4 mm
- Physical size 52 x 52 x 17.50 mm
- External connections of power source and manipulate lead, 3 leads in total
- Two mounting hole at each side with 3.20mm in diameter
- 3 buttons plus 1 reset key at lower left side
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99 hours 59 minutes capacity countdown timer. Various applications. Good for many kinds of time control. The timer provides high level signal when it starts to countdown, and then drop to low level signal when time is up. Therefore it is possible to control electrical device.