Model: Nanfone NF-7707 - Maximum transmission power: 5 watt - Frequency range: 400~470MHz - 1.5" numeric LCD status display - Comes with a 7.2V 1500mAh lithium rechargeable battery - Maximum line of sight range: 10KM (manufacturer rated) - 99 channel faorvite frequency memory - ANI identification code - VOX handsfree operation - Emergency broadcast quick key - 220~240V AC charger included - 110~120V to 220V AC power transformer included - Desktop charging dock included - User's guide available in Chinese only . * Warranty information is located in the specifications section