DH-PFM900-E
DC12V/1A power out to camera; RS485, Audio input, Micro USB charging Dahua Integrated Mount Tester for IP/HDCVI/AHD/TVI/CVBS 4” IPS screen and QWERTY flip keyboard with 45keys Replaceable 7.4V/22.2Wh polymer Li-ion battery, which can last 8 hrs for normal use Support PoE+, DC12V/2A power out