Brand N/A Model SY801MF11 Color Grey + silver Quantity 1 Power Supply 100~240V power adapter (2-flat-pin plug) Remote Controlled distance 100m Voice Decibels >55dB Other Suitable for villa and home; Visitor put the door bell the indoor monitor will open and can talking w/ the visitor and unlock door w/o walking to the door; No radiation low power and high resolution; Hands-free talking; Electric controlled unlock and monitor outdoor function; Can adjust image brightness color chroma and sound volume; Outdoor camera is made of anti-oxidation and abrasion resistant aluminum alloy easy to install; Indoor is ultra-thin; 12 different chores for choice; Current: Packing List 1 x Indoor monitor 1 x Outdoor camera 1 x Power adapter (115cm cable) 1 x Four-core cable (5m) 1 x Unlock cable (10cm) 1 x Packs of screws 1 x English user manual http://m2.img.dxcdn.com/CDDriver/sku.193416.pdf