Ultra Compact Handheld UHF Business 2-Way Radio, 1-Watt Power, 1 Channel, 56 Built-In User Selectable UHF Business Frequencies, 121 Interference Eliminator Codes, For All Day Use, Audio Accessory Jack For Use With Headsets, Earpieces And External Speaker/Microphone, Covers Buildings Up To 180,000 Sq Ft Or 15 Floors, Includes Rechargeable Li Ion Battery, Desktop Charger, Spring Action Swivel Belt Clip, Size 4.1" x 2" x 1.1", Weight 5 Oz, Color: Black. Recommended For Use Primarily Indoors. Not For Lumber Yards And Shop Environments.