APP name: Tuya Smart/ Smart Life Support Voice Control By for /for Assistant Waterproof level: IP65 Battery: DC3V, 2 x AAA (Not include battery) WIFI: 2.4GHz, 802.11b/g Working humidity:0-99.9%RH Working temperature:-20-55 Temperature Accuracy: 0.6 Humidity Accuracy: 6% RH Temperature/ Humidity report cycle: 60 min or Changes exceed the set threshold Low-battery remind function Low voltage and undervoltage: 2.5V App records temperature and humidity changes (can be exported) Supports self-calibration Support Temperature/ Humidity Alarm Push Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Color: White Material: plastic Package Contents: 1 x Temperature and humidity Sensor Only 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.