Grandstream DP722 DECT, 10 SIP, 10 Lines, Silver

// Supports a range of up to 350 meters outdoors and 50 meters indoors when used with the DP752 (300 meters outdoors when used with DP750) 1.8 inch (128x160) color LCD with 2 programmable soft keys Offers 20 hours talk time and 250 hours standby time Supports up to 10 SIP accounts and 10 lines per handset as well as 3-way conferencing Push-to-talk via a configurable button Seamless 1-touch door control with Grandstream’s GDS series of Facility Access devices HD audio on the speakerphone, handset, and headset jack Software and firmware updates over-the-air https://www.grandstream.com/products/ip-voice-telephony/dect-cordless/product/dp722