Amazon offers the Q-See Extreme Weather Surveillance Camera, model no. QD6506BH, for $99.99 with free shipping. That's the lowest total price we could find by $30. It features a heater for cold weather conditions, fan for hot weather conditions, night vision range up to 120 feet, 600 TVL resolution, and 60-foot cable.
Note: This item is expected to ship in one to two months.