T81D Series High Speed Dome Camera Product Description: New high Die-cast Aluminum Construction, effectively prevent deforming and keep surface bright. Newly-designed black shield inner cover, more concealing. High quality stepping motor and belt, more reliable. Static remove dust, double deck ventilate hole constant temperature design, IP66 weatherproof rating. Pan 360?.4?320?s;tilt 90皉otation0.4?150?s, auto flip, 8 programmable zones,4 pattern tours, and each record time is no less than 180s 4 scan tours, and auto-scanning will carry out at appointed speed in the width range. 128 preset positions(title can be set), can auto-cruise following the presets. Screen will display pan/tilt position; humanize focus and speed proportion. Built-in OSD menu ,can set and transfer the presets, auto-cruise ,scan. Camera mode and name through menu display and change the information and parameter of the dome. Timing auto-activation function ,can auto transfer presets or start-up auto-cruise, pattern, auto-scan and display areas after the dome idle for a period of time which can be set. Temperature display function , can survey the temperature inside of the dome through the temperature display. Fan be intellectually controlled function , through presetting the temperature to light-up the fan. Pan , lens position and zoom display function. Privacy masking zone, when there is an inconvenient zone appears on the monitor, you can set masking frame to protect person's privacy, setting up to 24 masking frames with various dimension. Communication (support RS485,Manchester,BI-PHASE code, coaxial video control). Built in multi-protocol transform and fully compatible with the protocols, below: Pelco-D,Pelco-P,Univision(V1,V2),Vicon,VCL,Molynx,Diamond,Kalatel,SAE,AD,Bosch(Philips),Sensornt. TVS 1500w lightning proof, surge proof. Color 18? 22? 23 ?26 ?,optics camera module. Proportional zooming, reduce pan/tile speed according to zooming level, ensure clear and balanced image,get the best picture. Built-in multiple protocol, allow any system. Accessory function: Vandal-prevent device. Baud rate: 2400/4800/9600/19200 opt