The KX-UDT111 is a standard size wireless phone ideal for the general office and any environment requiring enhanced mobility. The slim and light, pocket-sized KX-UDT121 model is perfect for most verticals including retail, hospitality and healthcare facilities where roaming is frequent. A concave shape prevents accidental dialing and protects keys when the handset is in a pocket and keys are rippled for easy access. The KX-UDT131 is the perfect phone for harsh work environments. With its IP65 compliance (dust and water splash resistant) it is ideal for manufacturing, warehouse or factory applications.