Celestron Night Vision Flashlight. These Telescope Accessories developed by Celestron feature 2 red LED's that are ideal for nighttime viewing. When using white light at night your pupils contract and hinder your vision. Red light solves this issue without negatively impacting your vision at night. The ergonomic square shape of this Celestron Night Vision Portable Flashlight ensures it won't roll away from you and a simple thumbwheel allows you to adjust the level of brightness in a pinch. Protect your eyes and assist your vision in the dark using this Celestron Night Vision LED Flashlight.free Specifications for Celestron Night Vision Flashlight: Manufacturer: Celestron Condition: New Color: Black Features of Celestron Night Vision Flashlight: Keep your night vision intact by using a red flashlight when observing The Night Vision Flashlight uses two red LED's for even illumination An easy-to-use thumbwheel adjusts the brightness Square shape keeps the Night Vision Flashlight from rolling away Powered by an included 9V battery