1.Applied to Motorcycle,ATV,UTV... 2.Beauty designed,Best price 3 ... will go into the alarming situation.If you use key to slip the butterfly lock,it will stop alarming.When ... enough, the battery are needed replacing.It is easy to replace the battery, First,spin out the four screws at ... of the battery.(Attention:It is a good way to replace the battery every three months.)Lock Features:.110dB siren. ...