Brand Name: RSH Battery Included: Yes Origin: Mainland China High-concerned chemical: None Certification: CE Certification: FCC Certification: RoHS Single Size: 29x53x8 mm/1.13x2.07x0.31 inch Buzzer: Built-in ≥75db (in 10cm) Battery: CR2032-230mAh App: Google's Find Hub System: Android 9.0 and above Country / 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 on Choice: yes