there is a special price camera for you:
It is a mini CCTV camera with bracket, with 24 pcs infrared lenses, water-proof, IR distance 30 meters.

Model:SYC-IR625C;
Key Features:
Image Sensor:1/4 Sharp CCD;
Horizontal Resolution: 420TVL;
Signal System: PAL/NTSC;
Min. Illumination: 0Lux/F1.2 (IR lens on);
Back Light Compensation:Auto;
White Balance: Auto;
Lens: 3.6mm;
IR Lens: 24 pcs;
IR Distance: 30 meters.
Two choices of camera style.