Herschel iQ Series Wireless Thermostat Pack including one T1 thermostat plus R1 receiver incorporates the very latest energy-saving technology and is specifically designed to regulate Herschel Infrared heaters. Easy to install it is perfect for installations where hard wiring to the MD1 thermostat would be impractical. The T1 pack comprises a battery operated, wireless T1 thermostat which can be wall mounted or free standing.