Easy to use: Simply hang up your item, then you can track the key finder precisely using the beep as soon as you press the corresponding letter button on the remote control. Additionally, the receiver has a red LED light that helps you find items in the dark.LONG RANGE: The key finder's range is 30 to 40 meters, and the sound signals can even penetrate walls, floors, pillows, leather, and more. From now on, you won't have to waste your time searching for your keys.ULTRA-LONG BATTERY LIFE: Key finder lasts up to 12 months with an easily replaceable CR2032 battery. Due to its low power consumption and relatively long standby time, it is definitely your best choice.2 KEY FINDER + 6 RECEIVER Pager keychains to which any 6 items such as keys, wallet, remote control, pet small cases, and other easily lost items can be attached. 2 transmitters, you can save one as a spare if you lose a pager.