Peep holed video door phone

Packing list
(1) Camera of peephole, size: 126×93×42mm, Peephole host, diameter: 140mm.
(2) Power adaptor of peephole and indoor monitor, input: 100-240V 50/60Hz, output: 5V/1A, USB cable length: 80cm.
(4) Extended pole with diameter 35mm, extended pole with diameter 24mm, flexible PCB extended line, fixed pole A, B, C.
(5) Battery of peephole and indoor monitor (both two batteries are BL-5J)
(6) Indoor monitor, size: 141×87×20mm (7) Wireless unlock control (8) User manual