Sleek radio is 40% smaller and 50% lighter than other models with no external antenna. 1-watt transmitter features a range of 200,000 sq ft (10 floors), 90 frequencies, and 123 interference eliminator codes. 1010 includes swivel earpiece; 1060 includes Bluetooth™ earpiece. Includes rechargeable lithium-ion batteries and belt clip. Pack of 6 includes 6-unit, 7-hour charging dock.