Origin	China
Model Number	TB-308 VR/DR/D4R
Brand Name	TCOOTC
Sensor	CCD
Special Features	Vandal-proof
Style	Dome Camera
Technology	Infrared
Type	Video Camera

COLOR IR DOME CAMERA,
1/4 Sharp CCD image sensor 
1/4 Sony CCD  sensor 
1/3  Sony CCD  sensor

MODEL	TB-401VR/DR/D4R	TB-402VR/DR/D4R	TB-308VR/DR/D4R			SH-309VR/DR/D4R
Pickup device	1/4 Sharp CCD image sensor	1/4 Sony CCD  sensor	1/3 Sony CCD  sensor
Number of pixels	PAL:512(H) ×582(V)   NTSC:512(H) ×492(V)					PAL:752(H) ×582(V)   NTSC:752(H) ×492(V)
System of signal	NTSC/PAL
Horizontal resolution	400TV Line	420TV Line			520TV Line
Minium illumination	1.0Lux/F1.2
Backlight compensation	Auto
White balance	Auto
Electronic shutter	1/50(1/60)~1/100,000sec
Lens	Standard Lens:3.6mm			Standard Lens: 6mm
S/N ratio	48dB
Gamma correction	0.45
Operation Temperature	-20 50
Sync.system	Internal synchronous
Video output	1.0vp-p/75Ω
Power supply	D4RDC12V,300A  VR/DRDC12V,400mA
Dimensions(mm)	D4R127(D)×80(H)  VR:94(D) ×68(H) DR:91(D) ×73(H)
Weight(g)	D4R:750g  VR370g  DR160g
LEDs(pcs)	D4R:22(φ5)  VR/DR24φ5
IR view distance	D4Rhave no waterproof functions VRIp67  DRhave no waterproof functions
Waterproof Rate	D4R15-20M   VR/DR20-30M