Power Source : Other<br>Battery Included : No<br>Does It Includes Wireless Communication : No<br>Inbox adaptor : No<br>High-concerned chemical : None<br>Brand Name : KaiAqua<br>Power Source : Other<br>Origin : Mainland China<br>Power Source : Other<br>Battery Included : No<br>Does It Includes Wireless Communication : No<br>AC adapter : No<br>High-concerned chemical : None<br>Origin : Mainland China<br>Chemical HIF-concerned : Aucun<br>Communication method : Bluetooth-Compatible,Compatible avec Bluetooth<br>Origine : CN (Origine)<br>Dimension : 31.7*31.7*8mm<br>Battery included : CR2025 (replaceable)<br>Operating voltage : DC 3V<br>Working current : Standby current 5uA/ Max current:10mA<br>Wireless : BLE 5.2<br>Transmission distance : ��40m (Open sight distance)<br>Buzzer : Built-in ��75dB (10cm)<br>