... CE, FCC, RoHS Product parameters : Remote control output<10mwRemote control voltage≤12VReceiver volume range25-85dbReceiver standby current<1 ... pictures: Package includes:Wireless doorbell main unitWireless remote control (transmitter unit) with double sided adhesive tapeOne ... industrial design, graphic design, mold manufacturing, plastic molding, quality control, etc…6. Using western simplicity type ...