General description The Tuya WiFi Smart Desktop Clock is a multifunctional device that serves as an alarm clock, calendar, thermometer, hygrometer, and carbon monoxide detector. It features a large LCD display for easy reading of real-time temperature, humidity, and carbon monoxide levels, ensuring you stay informed about your indoor environment. Technical specifications Power Supply: 3 x AA Battery (not included) or AC-5V DC Adapter Standby Current: Less than 60µA Alarm Current: Max. 200mA Wi-Fi: 2.4GHz, IEEE802.11b/g Temperature Range: 0℃ (32℉) - 55℃ (131℉) Temperature in Fahrenheit Range: 32℉ (0℃) - 99℉ (37.2℃) Temperature Tolerance: ±1℃ Humidity Range: 0-99% RH Humidity Tolerance: ±3% RH CO Sensor Self-Testing Time: 60 Seconds CO Range: 0-600ppm CO Tolerance: ±50ppm CO Alarm Concentration: 100ppm CO Alarm: 70dB at 30cm @2.5Hz pulsing alarm Size: 9.5 x 6 x 2.8 cm (3.7 x 2.4 x 1.1 inch) Item Weight: 87g (3.1oz) Color: White Material: Plastic Compatibility and accessories Compatible