● To turn on the power: Press button until you hear the beeping sound.● If it does not turn on when you press button, then you probably need torecharge the Remote set. It should automatically turn on. Please recharge for 1day before using.● To turn off the power : Press button until you hear the beeping sound.4 5 67 8 902 31Installing the base set11V or 1 2V DC 500mA11V or 1 2V DC 500mAOpen thebattery cover. Place the battery asshown in thepicture andrearrange the line.Close thebattery cover.Installing the Remote set1 2 3Loading the battery to the Remote setPhone installationBattery life● The battery life has a 6 months warrantee after purchase.● As time goes by, there will be a reduction in the battery'spower. When it is reduced by half, then purchase a newone and replace it.