RITAR BatteryMaintenance free Ritar AGM RT1290, 12V-9Ah (RT1290) battery manufactured using AGM technology (electrolyte absorbed in a special porous s..
Interface 1 micro USB port for power supply1 USB 2.0 port for charging smart phones/tabletsSIM card slotMicro SD card slotButton Power On/Off ButtonRe..
Energy-efficient monitor with 1.7 "inch screen capacity2. Receiving incoming calls from the door communicator3. SIP v2.0 protocol-based two-way connec..