There are several different models you can view on our website. In addition, the Real Wood Elite gas log sets are used in conjunction with one of three Hearth Kits: 1. Match Light Hearth Kit – system lights with a struck match. 2. Safety Pilot Hearth Kit – system prevents the flow of gas when the appliance is not in use. 3. Millivolt Hearth Kit – system available in either LP gas or natural gas; A remote control or wall switch is available for use with the Millivolt Hearth Kit.