Type: Scanner Channels: 100 Channels / 10 Banks Specifications: Scan Rate: 50 channels per second (max) Search Rate Normal: 60 steps per second (max) Hyper: 180 steps per second (max) Audio Output: 490 mW (max) Built-in Speaker: 32 mm dia, 8 ohm Dynamic Type Antenna: 50 ohms (Impendance) External Jacks: Antenna Jack BNC Type; Ext. Speaker Jack 3.5 mm Size: 2.75" x 1.25" x 4.5" Weight: 5.8 oz. Power: 2 AA Alkaline Batteries (3V DC), or 2 AA Rechargeable Ni-MH Batteries (2.4V DC), or AC Adapter (6 VDC 500mA) Features: Compact Design Close Call RF Capture Technology 10 Programmable Search Ranges 6 Preprogrammed Service Searches Backlit Display Priority Scan Sport Scanner Public Safety Scanner