... 6) Both peephole and indoor monitor are charged with USB connector, both rechargeable lithium batteries;(7) Peephole supports two work modes: 1 ... or hang on the wall, wireless unlock control connect e-lock, wireless connection among such three parts. Packing Information:(1 ... USB cable length: 80cm.(3) Extended pole with diameter 35mm, extended pole with diameter 24mm, flexible PCB extended line, fixed ...