How much does this cost to the nearest dollar?

Commax Videophone Series Door Camera DRC-4G
Door camera for Commax Fine View Series Video Door Phones. Compatible with video door phones Specifications Power source 12V from monitor; Wiring 4 wires (polarity) to a monitor/ 2 wires (non-polarity) to a electric door lock; Image sensor color c-mos; LED embedded (activated at night); NTSC System Dimensions 100 x 142 x 31mm House call and talk Both indoor and outdoor use (not waterproof, needs to be under roof) Built-in illumination sensor; NTSC System Surface-mounted type Manufacturer Commax, Part model number Is Discontinued No, Voltage 12 Volts, Installation Method Surface Mount, Quantity 1, Rank Home Security Systems 3321, Available February 

Price is $99.00
Price: $99