Usually many people use IR speed dome,the long distance, but if it's have short distance to view , the image is white ,because the IR Led is very strong, so the IR Led must have Auto switch the IR distance according to the focus of camera or force to turn on/off the IR lamps through software function.

We have 420/480/600/700TVL IR Speed dome ,)

78pcs /Φ8 leds,  IR LED with OSD Menu IR distance 80-100M with IR cut  and Auto IRIS LENS

6pcs wide angel +36 /Φ8 leds,  IR LED with OSD Menu IR distance 150M with IR cut  and Auto IRIS LENS

●9 inch outdoor Middle speed dome camera, metal shell.
●Adopting superior components, advanced stepping motor, longevous conductive slip-ring. high-quality belt and reliable controlling mother board.
●Operating stablely, no trembling at any speed.
●The outer cover is made from the material of high strength steel, which is capable of impact-resistance, shielding and heat dissipation, waterproof grade is IP66.                                                                                                                               

 Auto switch the IR distance according to the focus of camera or force to turn on/off the IR lamps through software

And mini IR Speed dome VU-MD800SHIR(Indoor)china camera 10X optical zoom   

?  4 inch Make use of 10x HD color zoom camera as module；
?  The indoor monitoring syatem shares a series of excellance , such as full-angle, non-blind, aesthetic, delicate, compact, high performance and easy installation。
?  Rotate 360°in horizontal direction，driven by exact engine，operate stably with precise position-setting。
?  The rotation speed can be adjustable according to the zoom rate of camera lens，auto-focus，auto-whitebalance。
?  Built-in OSD。Several control protocols are compatible and BaudRate is adjustable；
?  Vertical 90°，continious monitoring after auto reversing 180°

if you need further assistance please contact me any time!