Basic Key Finder with 2 Receivers & 1 Remote, Simjar Wireless Remote Control RF Key Finder Locator Tracker for Keys Wallet Phone Luggage sound To give you some idea

To give you some idea and comparison of their power a US-Strat ( 72 ) has an inductance of 2

(1 Pair Walkie Talkies) UHF 400-470MHz

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Battery Specifications - Energy Storage Capacity: 1200 mAh /Voltage: 3

Basic Key Finder with 2 Receivers & 1 Remote, Simjar Wireless Remote Control RF Key Finder Locator Tracker for Keys Wallet Phone Luggage sound To give you some ideaBasic Key Finder with 2 Receivers & 1 Remote, Simjar Wireless Remote Control RF Key Finder Locator Tracker for Keys Wallet Phone Luggage The Simjar Key finder with only 2 receivers is a basic set in the market. It helps you quickly find lost keys, pets, cats, dogs, 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,