WAYLLSHINE 4 Pack Red Light Flashlight Single Mode Red LED Flashlight One Mode Zoomable Night Light Torch for Astronomy Aviation and Night Observation

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These 4 Pack of single mode red light flashlights are specially designed for night activities. Human's eyes are most sensitive to the Red range of light, but animals are not spooked by a Red LED flashlight, so these red lights are very helpful to find the animals in the dark, like hogs, coyotes, fox...are less sensitive to the Red light, so you can find them without disturbing them. These Red night flashlights are also specially designed for observers, night observation is effective but hard to find the target, if you use the white light, animals will hide from you, you are not able to watch their natural behavior at night, so, this night light flashlight is very helpful to find the animals in the dark, help you watch turtle, snakes, and the reptiles.. Single mode one mode flashlight: 1 switch mode(On/OFF), 1 mode red LED flashlight. Zooming light in and outThe Red light beam can shoot more than 150 yard.; The red light can be used for sending signal, for asking help, for warnings. For operating these red flashlights, you need to buy one 1.5V AA Size battery, or one other type battery as the AA battery Size but the max Voltage is 4V. The higher voltage input, the brighter red light emit, and the more heat generate on flashlight house, Please choose the battery type by brightness your like.