The A50 receiver enables the pre-location and pinpointing of leaks. The A50 is able to visualize noises on the display for dependable evaluation of leak noises. When fully charged the battery in the A50 receiver can be used for about an entire work week. The A50 is also is light, compact and easy to carry. The A50 comes either with or without wireless headphones. When the A50 with wireless headphones are used there are no cables to affect the sound quality or restrict your movement.