Fangrui Product Details Optimal Heating Control: Manage Your Homes Heating Efficiently With Our Digital Gas Boiler Thermostat. It Offers A Programmable 7-day Schedule To Ensure Your Living Space Remains At Your Desired Temperature Throughout The Week. User-friendly Interface: Equipped With A Clear, Easy-to-read Display And Simple Navigation Buttons, This Thermostat Allows For Hassle-free Operation. Adjust Settings Effortlessly To Suit Your Comfort Level. Energy Efficiency: Designed To Help Reduce Your Energy Consumption, This Thermostat Supports A 3a Load And Provides Precise Temperature Control To Minimize Heating Costs. Durable And Reliable: Built To Last, Our Thermostat Ensures Consistent Performance And Reliability, Making It An Essential Upgrade For Your Home Heating System. Temperature Sensor:ntc Thermistor Display: Lcd Screen Button: Touch Button Additional Functions: Weekly Programming/power-off Memory Current: 3a Power Supply:2x1.5v Batteries (not Included In The Shipment) Due To Different Batches, There May Be Differ