I need a present for camping for my grandsons, 8 and 10 years old. The light needs to be inexpensive because it will likely be lost. It needs to be rugged because the boys are boys and hard on stuff. The light needs to be simple, just high and low. Low needs reasonably long runtime but bright enough to read or play cards in a tent. I'm thinking the NiteIze Inova X1 but looking for anything comparable. Thoughts?