Item Type: Key Finder <br>Material: ABS <br>Working Frequency: 433.92MHz <br>Working Distance: Approx. 15-35m / 49.2-114.8ft (Open Area) <br>Volume: 75-85dB <br>Transmitter Battery: 2 x AAA Batteries (Not Included) <br>Receiver Battery: CR2032 (Not Included)1、8 Receivers: There are 8 receivers in total, which can be hung on keys, TV remotes, mobile phones, wallets, pets, luggage, etc, you can find multiple items at the same time. <br>2、Loud Volume: You press the corresponding color coded button on the remote control, when an object is nearby, the device will emit a sound at a volume of 75?85dB. <br>3、Large Range: The radio frequency can easily penetrate the wall, cushions and doors, and the distance is long, the search distance is 15?30m/49.2?114.8ft in diameter. <br>4、Easy To Use: Anti lost wireless key finder, no APP, just one tap, easy to use, very suitable for finding keys, wallets, glasses, mobile phones and other easy to lost things. <br>5、Long Battery Life: This finder receiver uses CR2032 button battery for power supply (not included), and one battery can be used for up to 6 months to meet your needs.<p>1 x Transmitter</p><p>8 x Receiver</p><p>1 x Manual</p><p>8 x Key Rings</p><p>2 x Double Sided Stickers</p><p>2 x Sheets of Stickers</p>