Main features WiFi enabled wireless controller Remotely control and schedule everything Work with IFTTT, automate your everyday life Embedded probe interface, external probe can be connected Smart temperature and humidity monitor Smart temperature alarm, automatically condition management Cloud-based platform, free to access, no subscription fees. No hub required Technical specifications Working Voltage 100 V - 250 V AC Maximum Current 10 A Maximum Power 2.5kW MAX (@220V±10%)/1.3kW MAX (@110V±10%) Power dissipation ≤0.1 W Measuring Accuracy ±0.01 A, ±0.1 V, ±0.1 W Working Environment -10 °C to 60 °C ( 14 °F to 140 °F) Plug Standard Compatible with Europe, UK, US, France, Australia, Japan, China standards Network connection WiFi 2.4GHz or 2.4/5GHz, channels 1-13 (5GHz WiFi NOT supported) Physical specifications Materials Flame resistant ABS + PC Dimensions 65 x 65 x 16.5mm Weight 50 g (±3 g) Dimensions 6.4 x 11.7 x 3.5 cm Color White Ports 1 x DS18B20 Audio; 1 x RS485 Audio One single pack includes 1 x SP1-WiFi device; 1 x Manual book