No wires required for installation other than power cable to DVR; Up to 450ft unobstructed wireless signal range between cameras & DVR; Cameras wake up & start recording when motion is detected from heat-emitting objects for long battery life; Ability to view connected cameras remotely on free Lorex(R) Cirrus app--PC & Mac(R) compatible; Customizable motion detection for accurate instant alerts from mobile app; Each 2.0-megapixel camera has built-in microphone with 2-way talk, speaker & 140deg field of view; Up to 65ft night vision range with 6 infrared LEDs; Infrared cut filter for accurate color during the day & high-quality b/w infrared images at night; Weatherproof (IP66) cameras can operate from -4deg F-122deg F; DVR supports up to 6 wire-free cameras & 128GB storage; Extra cameras available (LWB4801AC2); Cameras can be converted into a 24/7 system by plugging directly into a power source; Includes Class 10 32GB microSD(TM) Card, Ethernet cable, HDMI(R) cable, power adapter, 2 rechargeable Li-Ion power packs, power pack adapter, charging cable & quick-setup guide;