The XO LP01 allows you to locate items, such as keys. The device is powered by a replaceable CR2032 battery. #13 #10 APP: Tuya/Smart Life #13 #10 Functions: #13 #101. Locating items #13 #102. Finding your phone #13 #103. Recording location (location breakpoint memory) #13 #104. Item reminder #13 #105. Ringtone sound/volume settings #13 #106. Multiple device management (Apple phones can be paired with 16 devices, and Android phones can be paired with 18 devices) #13 #107. Your smartphone can check the locator's battery level