Product Parameters Fit Model: Security Alarm Panel, WS4920HE wireless repeater, WTK5504 wireless keypad Volts:4.8 Capacity:2000mAh / 9.60Wh Product Type::Ni-MH Weight:116.6g Size: 57.10 x 52.74 x 15.16mm
Precautions before purchase 1.Carefully check the device model and original battery part number to determine whether the battery is compatible with the device. 2.Confirm that the plug is correctly connected to the equipment and installed. 10.Do not use a third-party adapter charger to charge the device, because the battery life will be shortened. ProductSiteLaunchDate : 2023-05-31T10:09:25.602Z UnitCount : 1 Voltage : 4.8 volts