Features Helps you communicate plans, stick your line, share observations in real-time and find separated friends Usable range is approximately 6 mi. (9.5km) line of sight; maximum range is up to 40 mi. (64km) line of sight On/off/channel selection dial switch is protected from inadvertent channel changing Smart Mic user interface is located at your fingertips, meaning you never need to dig the radio out of your pack to change settings 0.5 watts on FRS channels; 2 watts on FRS channels, conforming to current FCC rules Integrated 2300mAh lithium ion battery offers an average battery life of 80 hrs. with normal use; maximum battery life is up to 400 hrs. in standby mode Comes with long-lasting, built-in, rechargeable lithium-ion battery, durable cord/base unit, and new battery percentage power display Battery lasts for several days without recharging, even in cold temps Integrates into all Float avalanche airbag packs; sold separately Highlights Includes option for pre-set channel selections. Glove-friendly controls, optimized for easy handling. Smart Mic Unit provides push-to-talk button, on/off switch, volume control, battery indicator, loudspeaker, channel selection, and an earphone jack. Weight 12 oz. / 340 g Smart Mic Dimensions 3.5 x 2.1 x 1.5 (in) / 9.0 x 5.4 x 4.0 cm Base Unit Dimensions 2.1 x 1.0 x 1.9 (in) / 5.5 x 2.7 x 5.0 cm Base Unit Rechargeable lithium ion battery Optional channel preset selections Compatible with all standard FRS/GMRS radios Waterproof to IP56 standards 110-Volt charger adapter connects to mini USB port on base unit Frequency 22 FRS GMRS channels + 121 sub-channels ensures minimal interference Power 2 Watt (FRS) conforming to new FCC rules 0.5 Watt (FRS) Useable Range Approx 6 mi / 9.5 km line of sight Maximum Range Approx 40 mi / 64 km line of sight Battery Integrated 2300mAh lithium ion battery (Built-in - Non removeable) Battery Life Battery life: up to 40 hours in standby mode Warranty 3 year Color Black