Sony Super HAD Color CCD & DSP:     
WT-240PSM: 1/4 inch/400 TV lines/0.8-0 lux/200mA/DC12V     
WT-242PSM: 1/3 inch/420 TV lines/0.5-0 lux/220mA/DC12V     
WT-248PSM: 1/3 inch/480 TV lines/0.8-0 lux/250mA/DC12V     
WT-255PSM: 1/3 inch/550 TV lines/0.8-0 lux/250mA/DC12V     

Sharp Color CCD & DSP:     
WT-238PHM: 1/4 inch/380 TV lines/1.0-0 lux/190mA/DC12V     
WT-242PHM: 1/3 inch/420 TV lines/0.8-0 lux/200mA/DC12V     
WT-248PHM: 1/3 inch/480 TV lines/0.8-0 lux/220mA/DC12V     

Built-in 12pcs IR LEDs
IR Visible Distance:20M   
Dimensions: 104(L)x54(D)mm     
Packing: 20pcs/carton