This is the iDatastart RF2312A 1-Button/2-Way RF kit.
If you need a compact, slim, basic key fob, this is a great option for you. Great for use with push to start vehicles, when required to use a key fob, if you wish to reduce the bulkiness of your key chain.
2-way remote upgrade kit for iDataStart HCX. Adds up to 3,000 feet of 2-way remote start and keyless entry control ! Includes one TR2310A remote, one TR1110A remote and one AN2300A universal antenna.