Brand Name: WesenseBattery Included: YesOrigin: Mainland ChinaHigh-concerned chemical: NoneCompatibility: AndroidCertification: CECertification: FCCCertification: RoHSProduct name: Smart tag for AndroidSize: 29x53x8 mm/1.13x2.07x0.31 inchBattery: CR2032-230mAhVoltage: DC 3VCurrent: ≤5uA(Standby) / ≤Max 70MABuzzer: Built-in ≥75db (in 10cm)Humidity range: ≤95% (Non-condensing)Usage requires: Android devices with Android 9.0 at least and Google Find My appCountry / Region has services Restricted by Google LCC can not use the tracker: Such as Russia ,China ,North Korea, Iran ,Cuba ,Crimea ,Syria , Central Asian countries ,Pakistan ,and so onChoice: yes