Acumen DC Modulating Remote Control kit for indoor fireplaces. Designed for use with Maxitrol GV34 Valve & MMVK Series Kits Only. Manual on/off, modulating flame, room temperature is displayed on the LCD window of the transmitter. Use this as your guide to adjusting the flame up or down. Radio frequency signal for more control flexibility. Low battery indicator. Switch on the receiver allows flame adjustment from here if transmitter is disabled or out of reach. Self matching receiver for easier frequency match up. Has insulated heat shield for receiver and 160 degree over heat shutdown to prevent damage to the receiver if it gets too hot. Easy access battery drawer in reciever. All required high temp (400 degree) wiring and batteries are included. Childproof lockout mode. Shipping is free, however we ship only within the continental United States.