Model Number: A1( square)
Support SW/FW:iOS14.5/iPhone SE iPhone6S & above
Buzzer Spec:GLS9032
BT distance:50m
Battery Size:210mAh / CR2032
Battery Spec:3.0 V buttonlithium-MnO2 Cell
Battery Standby Time:Approx 9-12months
Replaceable battery : YES
Location distance: No Limited
IP standard: water-resistant
Product size: 35mm*36mm*9mm
Product Weight: 7.5g