Compact and easy to install, this portable inductive loop system readily accommodates individuals with hearing difficulties-at a bank teller window, information desk, store counter or anywhere customers/visitors need to hear what is being said.The Williams Sound Counter Loop shall be housed in a plastic enclosure and can be placed on a service desk or mounted onto a wall or under a counter.It shall have a range of 3 4ft and work with T-coil equipped hearing aids.The Counter Loop shall have a built-in 12VDC rechargeable battery pack that will last up to 6 hours when given a full 3 hour charge. It shall be able to operate off AC power through the same battery charger. It shall have a built-in microphone on the back of the unit and have an additional 3.5mm phone jack for optional external electret microphone. There shall be a gain control for adjusting the external microphone input. There shall be indicator LEDs for power on, battery charging and input signal to the induction loop. The Counter Loop shall be covered by a two-year parts and labor warranty. 90 days on accessories.