Opera Glasses One Eye Binocular From Kelvin & Hughes London This is a reproduction of Antique brass opera glasses measuring 4" X 2.5 " . The focus and magnification can be adjusted by the Sliding .This is a quality product and the craftsmanship is flawless. Ideal for using to watch theater , Gifting Magnification- 10X, Color - vintage Pink , Ideal for using on boats, hiking trips, bird watching and gifting. This unique and collectible pocket spy glass is a must-have for any antique enthusiast. Crafted in London in 1917, this piece is a rare find with a maximum magnification of 8x and a zoom ratio of 10 multiplier_x. The optical tube length measures 4 inches and the item weighs 6.35 ounces. Featuring auto focus and a reflex finder scope, this binocular is perfect for spy missions or.
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It Sounds An Alarm To Ensure Your Safety And Privacy. With Its Efficient Design, Our Detector Provides A Simple And Hassle-Free Experience And Is Very Easy To Carry And Use. 1 Detector. Signal Detection Range: 0.05m-8m.
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Science & Discovery Magazine x 4.
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Wifi connection is 2.4G Wi-Fi/802.11/b/g/n, not support 5G Wi-Fi. Infrared night vision distance: 8M. It is a updated version. The video quality is higher, specially the audio sound is twice louder than other version.
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Excess device usage may lead to computer vision syndrome or digital eye strain. Glasses with blue light filtering technology may enhance your focus and reduce eye strain, resulting in making your eyes feel less tired and improving productivity. Another way to reduce eye strain is to make sure you take regular breaks from the screen. One of the more surprising impacts of exposure to screens is the potential to negatively affect sleep patterns. Blue light has a high energy frequency that may increase alertness and delay the body's release of melatonin, which helps induce sleep. In general, we should all avoid using blue-light devices one to two hours before sleep. Blue-light blocking glasses may reduce the impact blue light, enabling you to use your devices before bed and still get a good ni.
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Bring the detector close to the target area. If the LED lights flash, you're near a hidden device. 1 x RF Detector. Alarm : Sound alarm with LED flashes. Key Features User-Friendly Interface : Simple operation, suitable for anyone to use, even without technical knowledge.
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Dpofirs Outdoor Pocket Camera, Portable Body Camera, Night Vision Video Recorder with Back Clip, Mini Home Security Camera, 400MAh Battery WIDELY USED: The portable video recorder is not only suitable for business meetings, but also can be used for sports photography to record your activities. Compact and lightweight, easy to carry. AUTOMATIC POWER FAIL SAVING: Prevent video loss, automatically save in case of power failure, automatically save file and turn off when camera recording system detects low battery. IR NIGHT VISION: The 6 LED infrared lights of the portable video recorder can be used in dark environment, allowing the camera to record at night as well as during the day. 1. WIDELY USED: The portable video recorder is not only suitable for business meetings, but also can be used for sports photography to record your activities.
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