Digital Thermostat Smart WiFi Temperature Monitor Sensor with Large LCD Touch Screen Remote Control for Home Item Type: Digital Thermostat Material: Plastic Model: PCT513 TY WIFI: 802.11B G N20 N40 at 2.4GHz IR: 915MHz Specification: 4.3 inch full colour touch screen Pir Sensor: 1. Room for detection 2. Sensing distance 3m, angle 70° Electrical Rating: 24VAC, 1A current carrying, 5A surge 50 60HZ Operating Environment: Temperature Range: 0-50℃ 32-122℉, Humidity Range: 5-95% Storage Temperature: -30℃-60℃, -22℉-140℉ Wiring: 18AWG, HVAC system R and C wires required Mounting Type: Wall Mounted Remote Area Sensor: Battery: 2 x 3V AAA batteries (not included) Radio: 915MHZ Indicator: 2 colour led (red, green) Sensor: 1. Check occupancy 2. Sensing distance 6m, angle 120° Operating Environment: 0-50℃, 32-122℉ (indoor only) Humidity Range: 5-95% Mounting: Desktop bracket or wall mounted