GRANDSTREAM VoIP DECT telefon DP730

Supports a range of up to 400 meters outdoors and 50 meters indoors when used with the DP752 (300 meters outdoors when used with DP750)
2.4 inch (240x320) color LCD with 3 programmable soft keys
Offers 40-hour talk time and 500-hour standby time
Supports up to 10 SIP accounts and 10 lines per handset as well as 3-way conferencing
Dedicated push-to-talk button, built-in proximity and accelerometer sensors for gesture control and alert notification
HD audio on the speakerphone, handset, and headset jack
Software and firmware updates over-the-air