General description Tuya smart WIFI four-day weather forecast with indoor and outdoor temperature and humidity measurement. Features include a weather forecast, alarm clock, and snooze function. Technical specifications Display type: LCD, digital Waterproof: No Power type: External power supply Power supply mode: Host requires 3 x AAA batteries or adapter (batteries not included) Transmitter requires 2 x AAA batteries (batteries not included) Measuring range: Indoor temperature: -9.9℃ to +50℃ (14℉ to +122℉); Indoor humidity: 20%RH to 95%; Outdoor temperature: -40℃ to +60℃ (-40℉ to +140℉); Outdoor humidity: 20%RH to 95% Temperature display resolution: 0.1℃ & 0.1℉ Humidity display resolution: 1%RH Error margin: -0℃ to 40℃/32℉ to 104℉: ±1℃/1.8℉; -20℃ to 0℃/-4℉ to 32℉: ±2℃/3.6℉; -40℃ to 65℃/104℉ to 149℉: ±2℃/3.6℉; -40%RH to 80%RH: ±5%RH Voltage: AC 220V Color: White Material: ABS Product host size: 198 x 136 x 40 mm Transmitter size: 5 x 2.6 x 10.5 cm Compatibility and accessories Plug