Lilin's outdoor, fast-dome PTZ cameras offer an IP-66 housing with a heater and blower. The cameras are equipped with a ¼-inch, built-in Sony high-resolution ExView CCD sensor, delivering 520 TV lines of resolution during the day and 580 TV lines in night/mono mode. The PIH-7522DHNL model offers 22x zoom, and the PIH-7535DHNL features 35x zoom. The cameras can rotate 360 degrees with a rotating speed between 0.15 to 360 degrees per second. Up to 128 programmable preset positions, along with 16 presets for auto touring, can be stored.