Product: Upgraded Key Finder with Extra Backup RF Transmitter and Lanyards, Simjar Wireless RF Item Locator Tracker Support Remote Control with Loud Beep - Pet/Wallet/Phone/Glasses Tracker
Brand: SIMJAR
Now you can easily find all the important items. With an extra transmitter, any of the transmitter can lead you successfully to the lost items. Also, you can use this product as two sets of key finder by using each transmitter with a random letter combination receivers in two different places, which makes it more convenient to use at home or in office, car or elsewhere. The Simjar Key Viewfinder helps you quickly find lost keys, pets, cats, dogs, remote controls, wallets, glasses, canes and other items that are easily lost. Just click on the color code button and the beep and flash will guide you to the missing item.  Powerful RF penetrates walls, leather, doors and more. Whether it's in another room, a sofa cushion or a blanket, you can quickly find lost items within 100 feet. The receiver can send up to 80 decibels, so it's easy to find lost objects. Flashing light can also help you find items in dark areas. The button viewfinder has vibrant colors, a 0.27-inch slim and simple form factor. It measures 0.27 x 1.18 inches and weighs only 0.4 ounces. 
How to use:
 - Use a key ring or double-sided tape to connect the color-coded receiver to items that are often lost
 - Press and release the corresponding color-coded button on the remote control
 - If the receiver is in range, it will beep and the LED will flash
 - If you don't hear a click, change your location or use a new battery and press the button again
 - Our item tracker can attach DIY mode stickers or handwritten stickers to the buttons on the corresponding letters on the transmitter. It is more convenient to remember lost items 
This package includes:
 - 2 x transmitter (including 2 x lanyard)
 - 8 x receivers
 - 8 x key rings
 - 8 x Double-sided tapes
 - 10 x CR2032 batteries
 - 4 x DIY Stickers
 - 1 x user manual
 - 1 x warranty card

2020 New Version: Easier to be heard. Beep emitts from the side. Easier and louder to be heard when it's covered. Also the transmitter with lanyard can stand alone instead of using a separate base, more and more convenient to carry and use at home or outside
Used as two sets of key finder: Any of the transmitter can lead you successfully to the lost items. Use each transmitter with a random letter combination receivers in two different places, which makes it more convenient to use at home or in office, car or elsewhere
8 Color-Coded Receivers: Hook the receiver to any of the 8 items and just click on the color-coded button to find them. Easy to use and operate. NO APP needed. Best 𝐆𝐈𝐅𝐓𝐒 for 𝐒𝐄𝐍𝐈𝐎𝐑𝐒 and 𝐅𝐎𝐑𝐆𝐄𝐓𝐅𝐔𝐋 People. Unusual Christmas Gifts
Sound and Light Alert: Up to 90dB beeping sound and 100ft wireless range in open area! (Walls and other obstacles will reduce the sound level.) Each receiver is equipped with a LED light that provides better night vision when positioning the buttons.
Longer Battery Life: With 10 CR2032 lithium cells, the receivers can work for 9 months. Standby time lasts for the whole year. Low battery consumption makes life easy

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