【PRESS AND BEEP SAVES THE APP】 Jegoteer Key Finders that make noise work via radiofrequency and need no APP. Simply press the coded button on the transmitter, and the corresponding receiver will beep and flash all at once, helping you to find the item easily you attach it to. Button cells of Jegoteer TV remote finder last for 6-10 months on daily use basis while phone for the key finder locator App dies every now and then. | 【LARGE KEY DESIGN, SLIM TAGS】 The large key design makes operating the key finder like a breeze. Never worry about your award fingers and bad eyesight. Contrarily, the tags are slim and light, at 1.8” x 1.2” x 0.24” and 0.14oz(4g), very convenient for home and outdoor use. | 【LOUD BEEPER, 120FT REMOTE DISTANCE】 With as loud as 85dB beeping volume, even people with poor hearing are able to locate the lost items easily. RF wave of the tracking device for keys can penetrate through walls, floors, cushions, etc., helping you track down items as far as 120 feet away (tested in open area). The distance being well able to cover the whole area of your apartment, it's very helpful as a lost keys tracker, or tracker for wallets, phones, glasses and hiding pets. | 【INDOOR & OUTDOOR USE】With the portable size and light weight, the tracker tags are suitable for both indoor and outdoor use, like when you want to call back the pet from the yard or find your luggage in travel. With 4 stickers and 4 key rings included, you can stick the receiver to the TV remote control, glasses, ear pods, or attach it to keychain, backpack, pets, kids, etc. For mobile phone, a protective cover and lanyard is needed. For wallet, just cast the receiver inside. | 【HANDY AND CONSIDERATE】Set the find my keys device on top of the table or other places where you remember easily. A pry opener included is used for replacing receiver button cells and prevents kids from opening the receivers by themselves. 2 AAA batteries are needed for the transmitter.