Yealink W59R, certified to rigorous IP67 standard, is a professional ruggedized DECT handset with integrated Bluetooth and vibration alarm that is pretty eligible for the environment where there may be dusty, humid, and harsh. Not only combined the advantages of wireless communication and the rich features of Voice-over-IP phone, but also fully compatible with Yealink W80 Multi-Cell System for seamless roaming and handover of the calls, this handset provides users with the convenience and good experience of mobile communication in and between each zone and keeps stable in the complicated and harsh locations.