HTC-3900S 1/3″ Sony High Resolution Color 3.7mm Door Strip Camera Resolution: 540 TVL Sensitivity: 0.05 Lux Lens: Pinhole 3.7mm Features: Auto White Balance, BLC, AES 1/50~1/100,000 sec., AGC, Digital Process of Color Matrix Power Supply: AC 24V / DC 12V, Dual Voltage