Feature:1. [Item Finder Locator] This set includes a transmitter and 6 receivers, allowing you to easily locate your lost items, do not have to worry about not finding your valuable items.2. [433.92MHz Wireless] This wireless key finder adopts 433.92MHz signal transmission, can easily penetrate wall, cushion, and door, offering a long working distance of up to 40 meters (open area).3. [Loud Beep Sound] Emitting a sound of 75 to 80dB, the receivers ensure that you can easily hear the prompt, making it perfect for finding car keys, wallets, luggage, or even pets.4. [Easy to Use] This anti lost device operates simply, eliminating the need for phone APP, simply pressing the corresponding color coded button and following the buzzing sound.5. [Long Lasting] This wireless item locator is made of sturdy ABS material and powered by long lasting CR2032 batteries, ensuring a long lifespan.Specification:Item Type: Key FinderMaterial: ABSBattery: CR2032 Button Battery x 9 (Included)Single Battery Capacity: 210mAhWorking Distance: 15-30 Meters (Open Range)Sound: 75-80dBFrequency: 433.92MHz.Package List:1 x Transmitter6 x Receiver1 x Base9 x Battery6 x Carrying Ring1 x Square Double Sided Tape6 x Small Round Double Sided Tape1 x Disassembly Tool1 x User Manual