product description d link dcs 936l hd wi fi camera network surveillance camera device type network surveillance camera fixed audio yesbuilt in microphone dimensions wxdxh 65 cm x 48 cm x 805 cm weight 141 g connectivity technology wireless camera colour dayampnight max resolution 1280 x 720 frame rate 30 frames per second optical sensor type cmos 14 1 mp minimum illumination 0 lux ir focal length 245 mm lens iris f24 voltage dc 5 v