The Lorex Sense Video Baby Monitor with 2 Cameras drops from $299.99 to $149.99 at Lorex. Shipping starts at $9.99. This price matches lowest the price we could find for the monitor with just one cam, meaning it's the best price we could find for the set by $69 when you include the bonus camera. This system uses your home WiFi network and comes with a portable 3.5" monitor. The cameras also feature 2-way talk, automatic night vision with a 13 foot range and a room temperature monitor. Sales tax is not charged in most states.