Features: 1. Low Power Consumption Thermostat, Dedicated To Water And Gas Boilers2. Battery Powered, Requires 3xAA Batteries(without), No Separate AC Power Supply Required, Easy To Install3. App Remote Control, Smart Life/Tuya App Remote Control Anytime And Anywhere4. Manual Mode/Program Mode/Temporary Program Mode5. Programming Function, 5+2/6+1/ A Week, 6 Periods On Working Days, 2 Periods On Rest Days, Supports Different Temperature Settings And Runs As Planned.Description: 1. Measurement Object: Wall-Mounted Boiler2. Opening Size: 86x86x13 (Front) + 27 (Rear) mm3. Overall Dimensions: 86x86x13 (Front) + 27 (Rear) mm4. Control Type: Temperature5. Temperature Range: 5-606. Installation Type: Wall Opening7. Control Mode: Intelligent Temperature Control Regulator8. Temperature Measurement Error: 19. Working Voltage: AC 95-220V 50/60HzBattery: 3 X AA battery(without)Note: Need To Connect To The Gateway To UseDifferent Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseMaterial: ABScolour: WhitePackage Contents: 1 x ZigBee Thermostat1 x English instructionsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.