JP-83417 BUG LISTENING INSTRUCTION MANUAL TO REPLACE THE BATTERIES FOR RECEIVER AND TRANSMITTER 1. REMOVE THE SCREWS ON THE BATTERY DOORS ON THE RECEIVER AND TRANSMITTER WITH A SCREW DRIVER. 2.0PEN THE RECEIVER'S BATTERY DOOR AND INSERT 4 PCS 1.5V BATTERY WITH CORRECT POLARITY INTO THE BATTERY COMPARTMENT (SEE FIG.2} 3.OPEN THE TRANSMITTER'S BATTERY DOOR AND INSERT 4 PCS AG-131LR44 1.6V BATTERY WITH CORRECT POLARITY INTO THE BATTERY FIG.3} 4.REPLACE THE TWO BATTERY DOORS AND THE SCREW ON POSITION.