Gilmour Electric Water Timer for $12.99. Shipping is $5.99, which comes to a total of $18.98 shipped. Here is a screenshot for your reference. This water timer offers 4 on/off watering cycles per day. The one-week clock repeats the cycle every 7 days and the skip function allows watering every 2nd or 3rd day. In addition, it has a low battery indicator when power is running low. Valid on 5/12 only. Most places have this water timer for over $50.