Quickly and easily check the development of eggs using this lightweight candler. This battery-operated light features a bright, energy-efficient LED bulb that runs cooler than traditional bulbs. The convenient cord-free design fits easily in a pocket and features a wrist strap. Uses one AAA battery (included). Bright, energy-efficient LED bulb runs cooler than traditional bulbs Compact handheld size is easy to use, fits in your pocket Convenient cord-free design! No tangles, no hassle! Wrist strap included Uses one AAA battery (included)