Features:
[Effective Distance]Working areas of anti-lost reminders is around 15m / 49.2ft indoors outdoors, and influence by BT signal strength.
[Easy Connection]Just opening the phone BT and key finder, connect fastly.
[Automatic Alarm]The key finder that makes noise helps you find misplaced items quickly.
[Battery Included]Replaceble CR2032 battery, low power consumption technology to ensure 10-12 months working hours.
[Widely Applicable]Key finder can help you take care of your belongings, find your belongings easily, such as wallet, key, pet, bag, etc.