APP remote control:With APP, you can remotely monitor and control temperature of your home anytime and anywhere. Voice Control:Works with for and Home for voice control. Just one voice and smart thermostat is ready to go, leaving your hands free. Weekly Programming:Weekly programming: 5+2/6+1/ a week, 6 time periods on weekdays, 2 time periods on weekends, supporting different temperature settings and operation schedules. Energy saving:From various humanized designs to realization of our heating energy-saving concept, App settings can help you optimize energy use and choose most suitable and economical heating mode. High cost performance:As a thermostat with comprehensive functions and stable performance, thermostat provides you with most suitable choice at a very competitive price. Model:-S03 Temperature setting range: 5℃-95℃ Temperature control accuracy: 0.5℃ Switching deviation: 0.1℃-10°C Working environment: -5℃-50°C Communication protocol: IEEE 802.15.4 frequency range: 2.400GHz-2.4835GHz Wireless range: Indoor: ≤40m (depending on environment) Protection level: IP20 Maximum wireless transmission power: Less than +10dBm (The product printed words depending on batch, but this does not affect use) Color: Black Material: PC Flame Retardant Package Contents: 1 x Smart Thermostat Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.