Our Bromic Master Remote is invaluable for larger venues. Offering user-programmable customization, the Bromic Master Remote gives you full control over an unlimited number of Electric Heater Controllers in up to 6 zones within its 100ft range. Compatible with both our standard Dimmer and Eclipse Dimmer Controllers, managing your heat has never been such a breeze. Features: User-programmable customization Controls in up to 6 zones within its 100ft range Compatible with both our standard Dimmer and Eclipse Dimmer Controllers Specifications: Power Supply: CR2430 battery (3V) Reception Frequency: 916MHz Operating Temperature Range: 14 to 131°F Modulation: FSK Wireless Range: 100 ft Consupmtion When Transmitting: 10 mA Dimensions: Height: 11.5" Width: 6.2" Depth: 3.15" Documents: Controller Catalog: Link Troubleshooting Guide: Link