2-watt transmitter features a range of up to 250,000 sq ft (20 floors), 89 business-exclusive frequencies, 122 Interference Eliminator Codes, and Voice Scramble Option for exceptional privacy and security. Resistant to dust, moisture, shock, and vibration. Includes rechargeable lithium-ion batteries and belt clip. 2-1/8"W x 4-1/2"H x 1-1/2" thick; 8.6 oz. Sold individually and in a Pack of 6 with 6-unit, 7-hour charging dock. FCC operator's license required.