Brand Name: RSHBattery Included: YesOrigin: Mainland ChinaHigh-concerned chemical: NoneType: HOME USECompatibility: AndroidCertification: CECertification: FCCCertification: RoHSSize: 29x53x8 mm/1.13x2.07x0.31 inchWeight: 12.6g / 0.44 ozBattery: CR2032-230mAhVoltage: DC 3VCurrent: ≤5uA(Standby) / ≤Max 70MABuzzer: Built-in ≥75db (in 10cm)Temperature range: -10° C~+50℃Humidity range: ≤95% (Non-condensing)Usage requires: Android devices with Android 9.0 at least and Google Find Hub 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