4 Watt 16 Channel UHF; Lithium Ion Battery 2000mAh / 7.5V; Channel Number Voice Announcement; Wireless Cloning Mode; Loud 500 mW Audio; Programmable QT Per Channel; VOX (Voice-activated transmit) with Audio Accessory; Channel Scan; Super Lock; Small and Lightweight; Die-Cast Chassis; Polycarbanate Case; Heavy Duty Construction; Two-Color LED; Time Out Timer; Up To 18 Hours Talk Time; Low Battery Alert.