Features Durable and Reliable: Made of premium ABS material, this key finder is sturdy and built to last. It can withstand daily use and is perfect for helping you find your keys, wallet, phone, glasses, and even your pet. Long Tracking Distance: With a tracking distance of 30‑40 meters, this key finder can help you locate your lost items even if they are far away. No more frustration and stress caused by misplaced belongings. Smart Key Finder: Never lose your keys again with this key finder. Simply attach the receiver to your keys and use the receiver to locate them easily. No more wasting time searching for lost keys. Remote Control Finder: This key finder can also be used to locate your misplaced remote control. Just press the button on the remote control and follow the sound to find it quickly. Easy to Operate: This key finder is simple to set up and use. Just attach the receiver to your belongings and press the corresponding button on the remote control to make the receiver emit a beeping sound. No complicated setup required. Specification: Item Type: Key Finder Material: ABS Volume: 75-80dB Search Distance: Approx. 30 ~ 40m / 98.43 ~ 131.23ft Frequency: 433.92MHz Transmitter Power Supply: 2 x AAA battery, not included. Receiver: 4 x CR2032 battery, 1pc battery for each of the 4 receivers, and the batterires are not included.  Package List: 1 x Transmitter 4 x Receiver 1 x Bracket 2 x Adhesive 1 x Item Sticker 1 x Writing Sticker 4 x Keyring 1 x Cover Opener 1 x User Manual Package List 1 x Transmitter 4 x Receiver 1 x Bracket 2 x Adhesive 1 x Item Sticker 1 x Writing Sticker 4 x Keyring 1 x Cover Opener 1 x User Manual