["Wireless IP phone with large color display and DECT technology The Grandstream WP820 is an advanced, robust DECT IP phone with a large 2.8 inch color LCD, ideal for companies that want to combine mobile working with reliable audio quality", "2.8 inch color LCD with backlight", "Supports up to 10 SIP accounts", "DECT technology for secure wireless connections", "HD audio with Opus and G.722 support", "Up to 12 hours talk time, 150 hours standby", "IP65 certified – dust and splash proof", "Integrated vibration function", "Robust housing for harsh environments", "Up to 5 simultaneous calls", "Grandstream WP820 handset", "DECT base station (sold separately)", "charger", "Battery", "Quick guide"]