QTY 2 Standard package: Motorola DTR410 digital 900mhz FCC license free radio Surveillance Headset 3 hour drop in rapid charger kit Li-ion battery Swivel belt holster User guide (CD) Digital one-to-many group call Allows other DTR radios on same group ID and channel to communicate. Lithium ion battery Gives extra-long battery life—up to 14.5 hours of operation per full charge. Rugged, compact polycarbonate housing Offers comfort, with rubber overmold. Durable design Meets military 810 C, D, E, and F specifications for shock, vibration, water, dust and temperature extremes. Full-graphic backlit display Uses contrast adjustment and backlight timer and provides battery gauge. Caller ID Stores recent call list—up to last 20 transmissions. Unit-to-unit configuration Simplifies cloning operation, with via optional cable