This Smart thermostat for Electric heating has a elegant,sleeker design with a large square LCD screen ensuring an excellent user experience of temperature control. 4.3inch Color Touch Screen Operation with IOS & Android APP Water heating system（3A） Adjustable Comfort Mode, Economy Mode, Holiday Mode and Program Mode Control 7 days Programmable setting External and Internal Sensor Select Multi-language Frost protection  86*86mm mounting CE ,RoHs, RED