Add On Indoor Pan-tilt Wireless Camera

Add On Indoor Pan/tilt Wireless Camera Compatible With Sm871dr (digilcdndvr Series Receiver) Only 2.4ghz Wireless Transmission Up To 200ft Between Walls And Up To 490ft In Clear Line Of Sight No Wifi Interference; No Interference From Crowded Analog 900mhz/2.4ghz/5.8ghz/6.0ghz Devices Pan Tilt Indoor Digital Wireless Camera With Ir Leds For Night Vision (30ft B/w) Infrared Filtered Camera For Best Vibrant Color Picture Builtin Microphone For Audible Recording Up To 30ft Away Digital Wireless Pairing Channel (ch1/ch2/ch3/ch4) Worryfree Of Signal Interception Up To 4 Minutes Of Sm804dt And Sm816dt Cameras Can Be Paired To Sm371dr Or Sm804dr Receiver Brand: Securityman