The Inova X1 is a serious flashlight that offers impeccable illumination and engineering in a compact, 4-inch size. This is a great light for flight attendants or just to keep in your glove box, backpack, or briefcase. The Inova X1 is powered by a single AA alkaline battery. It offers a patented optical system and precision-machined aluminum reflector with thermal interface. This technology provides it with excellent light projection. The focused spot flood beam has a range of 253 feet. It can be used in dusk or dark for up to a 1.5 miles. The Inova X1 is constructed of aerospace-grade aluminum with high-grade a titanium anodized finish. It also features O-ring seals for water resistance. The three-position operating end cap switch activates momentary on, constant on/off, and lockout modes for a variety of uses.The Inova flashlight has an LED bulb that can illuminate a lot of space. The bulb will last much longer than traditional bulbs. This is as small a flashlight you can get that's effective. In fact, you can use it indoors or outdoors because it is completely waterproof. This engineering marvel is only four inches long and less than an inch in diameter. This gives you the ability to put it on your key ring so you'll always have light.These LED flashlights can be manipulated very easily with two fingers. You simply turn the end to adjust the brightness level. These Inova flashlights come in a deep-colored titanium cover. This makes it easy to locate them against most surfaces. This flashlight is very well made and extremely durable. The solid cylinder can resist damage from bumps, scrapes, and typical wear-and-tear. It has been tested to fall onto a hard surface from one meter without any physical damage. The LED bulb provides up to 80 lumens of light on high power. On low power, you can expect 11 lumens of light output. This remarkable Inova flashlight will provide you with up to four hours of luminosity on the high setting. When switched to the low setting, you can get up to 70 hours of continuous luminosity. The item produces a focused spot with a flood beam feature. This gives you the ability to see fine details or more area. One of the great accessories to this flashlight is the lanyard space. You can easily attach a lanyard or other thin cord to make this a hands-free device. The high and low lumen output make this a versatile small flashlight. You can customize the setting to give you as much or as little brightness as you want. This product does include a new battery, so you can use it right out of the box. You can count on the best results for magnitude and battery consumption when you use an alkaline. The good news is that any AA batteries can be used. The effective LED lights are designed for each individual's needs.