Digital Preset Timer 1.Preset timer ,soft buttons, easy to operate 2.Dual line 4 digit display ,counting up or down 3.48*48mm 1.Feature of IBEST Digital Preset Timer * Preset timer* Soft buttons operation , easy to operate* Dual line 4 digit display ; Power fail holding function ,up to 10 years* Counting mode: counting up or counting down ,selectable by software* Timer range: 4 digit (99.99s~ ...