Sony Super HAD Color CCD & DSP:    
WT-240PSD: 1/4 inch/400 TV lines/0.8 lux/120mA/DC12V    
WT-242PSD: 1/3 inch/420 TV lines/0.5 lux/120mA/DC12V    
WT-248PSD: 1/3 inch/480 TV lines/0.8 lux/150mA/DC12V    
WT-255PSD: 1/3 inch/550 TV lines/0.8 lux/150mA/DC12V    

Sharp Color CCD & DSP:    
WT-238PHD: 1/4 inch/380 TV lines/1.0 lux/90mA/DC12V    
WT-242PHD: 1/3 inch/420 TV lines/0.8 lux/100mA/DC12V    
WT-248PHD: 1/3 inch/480 TV lines/0.8 lux/120mA/DC12V    

Built-in 24pcs IR LEDs
IR Visible Distance:30M
Dimensions: 157(L)x61(D)mm    
Packing: 20pcs/carton