Grandstream Networks WP820 IP phone Black, Silver 2 lines LCD Wi-Fi

Product type: IP Phone
Handset type: Wireless handset
Product colour: Black, Silver
Power consumption (typical): 5 W
Standby time: 150 h
Talk time: 7.5 h
AC adapter output voltage: 5 V
AC adapter output current: 1 A
AC adapter input voltage: 100 - 240 V
Operating temperature (T-T): 0 - 45 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 0 - 90%
Storage relative humidity (H-H): 0 - 90%
Volume control: Buttons
Add new contacts from handset: Yes
Weight: 161 g
Height: 21.8 mm
Width: 168.5 mm
Depth: 52.5 mm
Quality of Service (QoS) support: Yes
Wi-Fi: Yes
Bluetooth version: 4.2
Bluetooth: Yes
DHCP client: Yes
Security algorithms: SRTP, 256-bit AES
Networking standards: IEEE 802.1x
Operating system installed: Android
Operating system version: 7.0
Charger: Yes
AC adapter included: Yes
Number of handles included: 1 pc(s)
Base station: Yes
Headset included: Yes
Quick start guide: Yes
Display: LCD
Backlight display: Yes
Display diagonal: 6.1 cm (2.4")
Display resolution: 240 x 320 pixels
Speakerphone: Yes
Number of microphones: 2
Battery capacity: 1500 mAh
Battery technology: Lithium-Ion (Li-Ion)
Harmonized System (HS) code: 85171800
Warnings: Follow instructions for correct installation and use., Do not open the appliance, risk of electric shock., Store away from water and moisture.
Call waiting: Yes
Vibrating alert: Yes
Conference call: Yes
Phonebook capacity: 500 entries
On-hook dialling: Yes
Lines quantity: 2 lines
Call history: Yes
Call hold: Yes