Brand: MEROCAMaterial: ABS+PCVolume: 120dBWaterproof grade: IPX4Battery Type: CR2032Weight: about 38g
packing list:
Bell x1
Mounting belt x2
Manual x1
Anti-slip rubber pad x1
CR2032 battery x2Remark:The battery life has been practically tested, and it can continuously ring about 4000 times.When using for the first time, please take out the insulating film in the battery compartment; then install the battery into the speaker body according to the positive and negative directions marked in the battery compartment.For better waterproofing, the battery compartment is tightly installed, you can take out the battery compartment with a small tool (such as using an ear scoop or a thin iron sheet to gently pry it open)