Features EASY TO USE: Most customers can install in 30 minutes and familiarize themselves with the operation in 20 minutes, and easy to maintain. REMOTE CONTROL: Compatible with Google Assistant, can also be controlled from your phone or laptop using the Smart for Vine app. WIFI FUNCTION: Can work with smart speakers such as Goo gle home, T mall Genie, Ro kid, Ding Dong and Ten cent Microenterprise. ENERGY SAVING: The thermostat saves you over 20% of your HVAC bill thanks to energy saving mode, 7-day programming and remote access. EASY TO INSTALL: No need to replace batteries every month. Instructional videos and a professional technical team are also available to guide users through the setup. Specification: Item type: Wi-Fi thermostat. Product voltage: 95-240VAC 50/60Hz. Colour: black. Charging current: 5A. Sensor: For NTC3950 10K Temperature measurement accuracy: ±1℃ Adjustable temperature range: 5-35°C Display temperature range: 5-99°C Power consumption: <1.5W Shell material: PC and ABS With Wi-Fi function Can work with smart speakers. Package list: 1 x Thermostat 1 x user manual (English language not 3 x Screws Package List 1 x Thermostat 1 x User Manual 2 x Screw